During pregnancy, your body is experiencing rapid changes that could influence your total sleep and system. Consequently, quality sleep is something that you want to take very seriously. Trying exercises before bed might help raise your sleep quality; however, when your mattress is old and frayed, why stay with something which does not feel comfortable? Worth pregnant? This may be the ideal time to purchase a new one.
Loking for the very best mattress for pregnancy could be difficult with each of the alternatives available in the marketplace nowadays. Thus, we’re here to help you find the ideal mattress for pregnancy, proceed through the variables you need to concentrate on to get a mattress and discuss our best selections of mattresses.
What’s Sleep Considered Extremely Important While Pregnant?
Paradoxically, there’s absolutely no time in life in which sleep is much more significant. If you’re pregnant, then sleeping ensures good health for you and your unborn baby. When you’re pregnant, you’re likely to get exhausted and tired during your first trimester. This is when you’re likely to experience chronic discomfort and probably too little sleep; therefore, a proper maternity mattress is crucial.
Are you thinking about how to make it through this? There’s absolutely no effortless way but getting the ideal mattress throughout your pregnancy is certain to help. A day nap and relaxing night are crucial for elderly ladies.
This sort of rest is just possible when you’ve got a mattress that’s comfortable, inviting, breathable, and feels right. So far as sleeping is concerned, it’s surprising that about 70 percent of pregnant mothers do not get sufficient sleep due to various factors. According to a study, about 75 percent of pregnant mothers are sleep-deprived.
Becoming pregnant is a relaxing and fascinating experience. But, pregnancy may cause challenges-both psychological and physical. It can force you to wake up frequently because you want to drain your bladder, and you’ll probably encounter this more from the second and third trimesters. In addition to this, you will feel more uncomfortable in general, which will make it even more challenging to get to sleep and stay asleep.
Pregnancy may affect sleep in many ways. It may affect your sleep, in case you’ve got any of the following symptoms;
3. Back pain
If you’re pregnant and you’ve experienced this before, then you know how it is often very tough to sleep. Alternately, if you tend to sleep on a face that does not facilitate relaxation, you’re very likely to go through the above symptoms. Because of this, obtaining an ideal mattress for pregnancy is much more significant.
We’ve emphasized the top-rated mattress manufacturers for pregnant ladies. These kinds of mattresses have been clinically tested to make sure they provide a high degree of relaxation, making it possible for you to feel rejuvenated in this exciting period of life. Let us take a peek at the top mattresses for pregnancy.
Which Kind Of Mattress Is Ideal for Pregnancy?
Mattress types could be divided into five general categories, each of which has specific benefits and drawbacks. That is having been said, you will discover many variations within these classes based upon the quality, composition, and additional features employed by every mattress maker.
Definition: To be eligible as a hybrid mattress, a mattress must have a substantial relaxation coating section within an innerspring support center, usually pocketed coils. The relaxation layers can be made from latex, memory foam, polyfoam, micro-coils, wool, cotton, or fiber-fill.
Highlight: Tank texture. Hybrids often provide pressure relief and movement isolation rivaling all-foam beds. However, the coils provide the more excellent airflow, reinforced borders, and much more robust spinal support of an innerspring mattress.
Definition: Most folks grew up with an innerspring mattress, which can be mostly made from metal coils and might contain a thin layer of cotton or poly foam at the top. Innerspring mattresses seldom trap warmth, and they supply fantastic advantage aid, but they lack stress relief and tend to move the motion to a substantial extent.
Emphasize Benefits of Movement. Innerspring mattresses have a heated surface and slight sagging across the borders, making them simple to jump in and out of if you see the restroom.
Definition: All-latex mattresses utilize latex in the relaxation layers in addition to the support center. Latex can be natural or synthetic. Natural latex is breathable, durable, and very responsive. It shapes somewhat to ease stress points but may also be created in a milder version which provides a stable service center.
Emphasize Cool Conforming. Latex provides pressure relief nearing that of memory foam but lacking heat retention.
Definition: Airbeds are distinguished by the atmosphere chambers in their service center, which may be inflated or deflated to adjust the hardness level according to the consumer’s preference. Most high-end airbeds incorporate additional comfort layers across the air chambers, such as latex or foam.
Emphasize Flexible Firmness. Airbeds occasionally offer as many as 50 different firmness levels, which it is possible to correct as frequently as you desire. This might be ideal as your human body’s demands progress during pregnancy. For couples that are expecting, also, it enables each partner to pick their stability level.
Definition: Polyurethane foam (polyfoam) and its near cousin, memory foam, are artificial substances that may be engineered to possess an assortment of attributes. All-foam mattresses tend to get a high-density polyfoam support center with a couple of plusher relaxation layers to include pressure relief and protect against motion transfer. Some foam mattresses also incorporate latex.
Emphasize Close Conforming. All-foam mattresses, particularly individuals with memory foam comfort levels, shape more carefully than any other substance to provide relief from stress points. This might decrease pain in older women, particularly when sleeping on the side.
Essential Things to Consider When Purchasing The Best Bed For Pregnancy
Picking out the correct mattress may be challenging, particularly with all these choices available in the industry. There are various variables to remember while purchasing a mattress. Support and relaxation are the two main components in a mattress, particularly for older women.
Support keeps the spine aligned, which will help alleviate back pain and alleviate common pressure points. Comfort will imply different things to every individual, as everybody has unique requirements and tastes. This might have a mattress that regulates temperature, isolates motion, and provides edge support for older women. These components should be considered when mattress purchasing.
Pregnant women carry more weight in their waist, which places stress on their lower spine. Support indicates how well the mattress keeps the spine aligned, which may take tension off the trunk and relieve aches and pains. The mattress ought to be flat and even, with no sagging or heavy indentations. This will provide full-body aid, which can be essential throughout pregnancy and afterward.
A mattress that contours to the shape of the body provide a personalized feel. Contouring also alleviates pressure points and may alleviate minor pains and aches. Memory Foam is well known for its design properties, even though it can limit airflow when it melts too tightly. Latex is much more breathable. Therefore it’s not as inclined to maintain warmth and restrict airflow while still contouring into the form of the physique.
Firmness is generally rated on a scale of 1 to 10, or exceptionally soft to extremely company. Most mattresses are mild to moderate business, though firm and soft alternatives are available. For elderly women, medium-firm mattresses normally offer you a balance of full-body support and adapting comfort. Additionally, it cushions pressure points, such as the shoulders and buttocks, perfect for elderly women who sleep on their sides.
Motion Isolation: Running can move across the bed, so pregnant women shifting positions to find comfy, or people who should wake up during the night can disturb their spouses. Motion isolation prevents moves from rippling around the mattress and reduces sleep disturbances. Memory Foam isolates movement nicely, while innerspring coils are more inclined to transfer motion.
As general body temperature slightly increases during pregnancy, some women can experience sleeping hot. Breathable substances help air circulate through the mattress, which may help keep your body at a comfortable temperature. While conventional memory foam can retain heat, hybrid and latex mattresses usually stop overheating.
Edge service makes it a lot easier to get in and out of bed, particularly for older women as their bodies change. A reinforced margin prevents sinking in or sagging across the borders. Innerspring and hybrids mattresses are more likely to have strengthened perimeters, while memory foam mattresses typically lack advantage support.
Many pregnancy symptoms cause annoyance, and pregnant women may frequently change positions or get in and out of bed. A mattress that produces noise can lead to sleep disturbances for elderly women who share a spouse’s bed. Memory foam and latex mattresses are quiet when bearing weight, while innerspring mattresses are more inclined to make a sound.
Costs vary between producers and mattress kinds, making certain to ascertain a budget before purchasing. Parents-to-be confront several new expenditures, plus a mattress is undoubtedly an investment. A high-quality, durable mattress will continue during maternity and beyond.
Top Rated Best Mattresses For Pregnancy Brands
Loom & Leaf (Editor’s Choice)
- Type: Memory Foam
- Firmness: Multiple firmnesses: Relaxed Business: 5-7, Business 7-9 (scale of 1-10 w/ 10 being the firmest)
- Height: 12 inches
- In-home trial interval: 120 nights
- Warranty: 15 Decades
The Loom & Leaf Mattress by Saatva is that our very best mattress for maternity! This mattress is comprised of varying polyurethane layers and a natural cotton cover. It comes in two different stability choices. On the other hand, the Relaxed Company is thicker and much more ideal for encouraging you as you sleep on your side during the late afternoon.
The Loom & Leaf provide shape and conform to a superior degree. The layers of varying memory foam permit you to sink into the material when providing targeted stress relief to your waist and shoulders.
Temperature regulation is accomplished through the combination of each of the substances used to generate the mattress. The natural quilted cotton cover is breathable and allows air to permeate the mattress’s interior layers without keeping your body warm. The following coating is convoluted and created out of Loom & Leaf’s proprietary Spinal Zone Gel keeps you cool. The other layers are also breathable and have cooling properties that will help you remain cool through the evening.
- Free white glove delivery and older mattress removal
- Fantastic movement isolation
- Environmentally conscious company and layout
- The Relaxed Company mattress choice is perfect during late pregnancy.
- Advanced pressure relief and shape
- Retains some minimal warmth
- Minimal off-gassing period
- Heavy and hard to move independently
- It May is not cheap If You’re on a strict budget.
- It doesn’t provide any rebound if you like that sense.
The Bear Mattress (Greatest Recovery Choice)
- Sort: Foam mix with Celliant technology
- Firmness: 6.5
- Height: 10 inches
- In-home trial interval: 100 nights
- Warranty: 10 Decades
The Bear Mattress is the option for recovery in regards to pregnancy mattresses. It’s comprised of varying inviting foams using a breathable Celliant tech cover. The Bear Mattress is medium-firm and provides supportive comfort when sleeping on your side in the next trimester.
The Bear Mattress’ construction makes this mattress excellent to contour for the body’s contour and relieving pressure in the thicker shoulders and waist. The reactive foam additionally promotes healthy spinal alignment, something quite important for pregnant moms.
Temperature regulation is accomplished via the watertight cover along with the coating of gel-infused memory foam. The foundation layers additionally promote airflow during the whole mattress.
Reviews from pregnant moms to mention the very special thing about the Bear Mattress is that the incorporation of Celliant technology to the cover. Celliant fibers transform the body’s warmth into infrared light reflected in your body’s muscle and skin tissue to assist in speedy recovery.
Celliant is an FDA-established medical apparatus that claims to promote better sleep, regulate body temperature, help recover sore and strained muscles, and boost daily operation. This might be especially valuable in a mattress for pregnant women while their body is developing and learning how to hold the extra weight.
- Celliant technology raises recovery, flow, and total well-being.
- Sleeps trendy all night
- Advanced support promotes healthy spinal alignment in your side.
- Outstanding pressure relief and shape
- Fantastic movement isolation
- It may be too firm for a few sleepers
- Slight off-gassing period
- Some consumer problems with the Shipping process
- Low profile elevation reduces the ease of accessibility.
- It may be too heavy for a single person to maneuver independently.
TEMPUR-Cloud Luxe Breeze (Greatest Luxury Choice)
- Type: Foam
- Firmness: 2
- Height: 13.5 inches
- In-home trial interval: 90 nights
- Warranty: 10 Decades
The TEMPUR-Cloud Luxe Breeze Mattress is the luxury choice to get a maternity mattress. This mattress is included varying layers of foam using a heating cover. This can be Tempurpedic’s lightest mattress that makes it excellent support and resting your side throughout the third trimester.
The Luxe Breeze excels in design, and you’ll feel hugged and cradled as you lie down. The additional soft memory foam allows your body to sink while just targeting pressure to get busy relief.
Sleeping cool with this bed won’t be a problem. The cover is breathable and lightweight. Additionally, it is infused with heating technologies that will help regulate temperature. All three layers can also be equipped with cooling in your mind.
Reviews from pregnant moms state that another significant advantage of this Luxe and Breeze mattress is that it includes free white glove delivery that could be especially useful once you’re pregnant.
- Sleeps trendy all night
- More significant profile elevation increases ease of accessibility while pregnant.
- Free white glove delivery
- Advanced pressure relief
- Superior shape with minimal movement transfer
- May not be cheap for everybody
- It may be too soft for some, maybe not Appropriate for stomach or back sleepers.
- No Extra advantage support
- Heavy and hard to maneuver around
- Slight off-gassing period
Original Tuft & Needle (Greatest Foam Option)
- Type: Foam
- Firmness: 6-6.5
- Height: 10 inches
- In-home trial interval: 100 nights
- Warranty: 10 Decades
The original Tuft & Needle Mattress is our memory foam option for elderly women. If it comes to becoming pregnant, a mattress ought to be supportive, and this mattress doesn’t disappoint. The Tuft & Needle is constituted of 2 layers of inviting and elastic foam using a breathable cover. This mattress is medium-firm.
The elastic foam utilized in the mattress makes it possible for the mattress to hug and conform to a shape. This quick shape provides pressure relief into your waist and buttocks while promoting healthy spinal alignment, so no unnecessary strain is put on your lower spine.
The mattress does an excellent job of controlling temperatures. Heat wicking graphite and heating gel are infusing from the layers to make certain you break all night with no overheating, even through late pregnancy, if this is much more likely. The cover can also be breathable and assists in wicking perspiration away from the skin.
The company also offers a brand new version of the mattress accessible, known as the Mint Mattress. It’s added advantage support and extra cooling features.
- Advanced support and shape
- Superior movement isolation
- Cheap on Just about Any budget
- Good temperature regulation
- Lighter materials make this bed Effortless to move.
- Slight off-gassing period
- Too firm for a few side sleepers
- Low profile height can limit ease of accessibility.
- No manufacturer information available on their website
- Some consumer problems regarding delivery of products
Lucid L300 Adjustable Bed Base
LUCID L300 Adjustable Bed Base is your first-ever folding hinge that’s extremely simple to build from bed to box. It features a different head incline from 0 to 60 feet, and feet incline from 0 to 45 degrees. This is a superb mattress for older women and people suffering from back pain and other sleep-related ailments.
It is incredibly trustworthy and responsive using a double USB charging interface, a programmable memory alternative for the position, alongside the Wireless remote using a flashlight. Upholstered framework with 15-inch thickness ideal for pregnancy. It is constructed rapidly in five minutes, which means that you may enjoy its comfort straight away.
- Simple to set up with no need to split it
- Can Increase Your feet and back to your preferred altitude
- Has USB ports, brilliant add-on in this Era
- The bed will reverse if you are sitting on the border.
- There is a significant problem when it violates
Nob By Tuft & NNeedle King Mattress
Nod by Tuft & Needle King Mattress could be explained in a few words – zero stress points, personalized service, breathable and easy! It is made from a responsive foam which has the advantage of memory and latex foam, together, only without pounding or sleeping hot. Thus, you’ll enjoy the ideal balance between soft and firm, localized bounce, and breathable.
To provide you the most inexpensive mattress, this will not have corners to concentrate on providing the primary sleep elements – support and comfort. This mattress is covered with a comfy and breathable knit cloth to keep it clean and protected. Like many mattresses, allow up to 72 hours to ultimately expand and get the undesirable odor to dissipate.
- Cozy and gives you a fantastic night’s sleep.
- Fills out in two weeks – no need to wait for 72 hours
- No back pain or anxiety disorders, simply fantastic sleep
- Not Great for side sleepers because It’s not that comfortable during initial usage
- Inadequate movement isolation – may nevertheless sense your partner’s movement.
Nectar Twin XL Mattress
Nectar TwinXL Mattress is a superb mattress for virtually any kind of sleeper in addition to a fantastic mattress for maternity. Designed to provide only the correct stability, breathability, and comfort, this mattress keeps you cool on hot summer nights. It may cradle your body and relieve you in body aches and pains.
TwinXL consists of five layers – providing you with sufficient support for heavy-kind sleepers. The best cover is made from Tencel cooling that wicks moisture and dissipates heat to keep you cool throughout the evening. Base coating is a reliable service and provides breathability, making the mattress an excellent option even for hot sleepers.
- The affordable mattress that Provides you a Fantastic night’s sleep
- Made from quality material Together with a Wonderful layout
- Not a fantastic choice for sleepers of profile
- Some consumers complained that it is firmer than Anticipated.
Brooklyn Bedding Bloom
If you would like to experience natural relaxation in a mattress, possess the Brooklyn Beeding Bloom Hybrid Mattress. It’s four layers of various substances that provide support and comfort, though offered at a high cost. The surface is a 2-inch Engineered wool and natural cotton for breathability and moisture wicking-naturally.
Its center layer is constructed from 3-inch Talalay latex which provides a buoyant impact to relax your muscles and alleviate pressure points – perfect for the elderly woman and people who have sleep problems. The 8-inch foundation is created of 1,189 Quantum Edge pocketed coils to get more excellent movement support and isolation. And also, to add stability and durability, it’s 1-inch high-density foundation foam.
Why is it expensive? It is natural and gives you natural comfort and encouragement – far better than synthetic foams.
- Offers three service layers – gentle, medium, and company
- The cover is made from organic cotton and also Joma wool for breathability.
- Healthier and cleansing sleep encounter
- Coils are somewhat resilient.
- Includes a Costly price tag
Linenspa Memory Foam Mattress
At a reasonable price, you’re going to find a LINENSPA 5-Inch Gel Memory Foam Mattress that’s backed up with company support. It’s a very comfortable mattress due to this 1-inch gel-infused memory foam which cuddles you once you sleep and alleviate pressure. Furthermore, it spreads the heat to keep a comfortable temperature perfect for sleepyheads and pregnant women.
The 4-inch high-density service foam in the bottom provides sufficient support. You will not sense any back pain or soreness and jump out of bed feeling refreshed and refreshed. The soft, breathable fabric increases the relaxation of the mattress. This is ideal for bunk and trundle beds – more sleeping areas in a tiny area.
- The best cover is comfy, washable, and removable.
- The mattress is firm yet comfortable.
- Fantastic for back sleepers
- There is a hissing noise Once You first lie down the mattress.
- The bed is smaller when compared with other versions.
Helix Midnight Luxe
As when sleeping while pregnant was not hard enough, you might end up struggling with the struggles of sleeping with a spouse too. Every move your spouse makes awakens you from sleep, and of course, the extra body warmth. If you’re trying to find the very best maternity mattress created for couples, then we urge a Helix Luxe. Helix mattresses include a 100-night sleep trial and a 15-year guarantee.
The Helix Luxe mattress is offered in many various firmness degrees with unique models for different sleeping fashions. We enjoy the Helix Midnight Luxe as it’s medium-firm and made for side sleepers. The mattress is constructed on a foundation coating of individually wrapped coils that react to movement individually, allowing your system to provide innovative lumbar support.
On top, you will discover layers of high-grade polyfoam, gel Visco memory foam, and memory foam plus memory that conform to the body’s contours, relieving pressure where required.
- Luxurious hybrid layout
- Moderate firmness degree
- Comfort, and stress relief
- 100-night sleep demo
- Quite expensive compared to a few manufacturers
- Maybe overly soft for heavy sleepers.
You might believe you understand what innerspring mattresses are, but you are probably utilized to the classic constant coil version. These mattresses are durable and give adequate support. However, they do not do much for movement isolation. Modern innerspring mattresses frequently utilize pocketed coils that react independently to stress, prevention movement transfer for a better night’s sleep. If you are trying to try out an innerspring mattress, we advocate the Saatva Classic.
The Saatva Classic is a lavish hybrid innerspring mattress that comes in 3 different firmness levels: Plush Soft (3), Luxury Business (5-7), and Business (8). This mattress features a quilted Euro pillow top and a natural cotton cover with perimeter edge support and individually wrapped coils. We advocate the Luxury Firm version for pregnancy, even though heavier sleepers could enjoy a little additional firmness. All Saatva mattresses send free and include contained white glove delivery and installation.
- Three hardness degrees to select from
- Luxury hybrid construction
- Breathable and supportive
- Hybrid mattresses tend to be reasonably hefty
- Less contouring/hugging than foam mattresses
Which kind of mattress is ideal for pregnancy?
Memory Foam mattresses are great for pregnancy since it cradles the entire body when relieving pressure in many areas of the human body. Women who have allergies might consider latex versions created from natural materials that don’t discharge toxic gases. For the ones that are obese, a mattress having a sturdy foundation is the ideal option.
Is a memory foam mattress great when pregnant?
The body of women change during pregnancy, and their sleeping conditions could also change. Memory Foam mattresses relieve pressure points while adjusting to accommodate those adjustments. As they sleep on their hands at the subsequent pregnancy stages, they wouldn’t need to be concerned about pain from effort.
Is an orthopedic mattress great for pregnancy?
An orthopedic mattress is excellent for pregnancy since most women tend to suffer from chronic back pain at this age. They help keep the spine in proper alignment, thereby relieving pain and aches. If the mattress is too soft, it can sink too deeply and wake up with a neck sprain.
Is a company mattress great for pregnancy?
You should avoid versions that are too business since they’re also not acceptable for expecting moms. Medium-firm versions are much better as they permit you to lie in your favorite sleeping position. They also permit you to quickly escape bed without feeling stuck if you happen to want to use the restroom in the middle of the evening.
Is it better to sleep on a firm mattress or soft?
In case it becomes hard to discover a comfortable sleeping place, you ought to consider obtaining a new mattress. Your mattress’s stability ought to be determined by your sleeping taste at that specific point in time. Your taste may also alter as your own body also experiences specific alterations. Mattresses with moderate level stability ought to have the ability to provide relaxation as you slowly accommodate.
How long is your sleep trial?
Do not allow your five-minute test to dictate your choice on which mattress to purchase. Many companies are making up policies of permitting customers to test out their mattresses inside their houses until they pick to buy them. Because of this, it’s a great idea to test those policies and the way to reunite the mattress in case you don’t enjoy it.
The way to get it home and set up the new mattress?
If you’re pregnant, you genuinely understand how difficult it’s to have downstairs. What about the massive mattress? It seems as though the weight is on your shoulders. But wait! How can your mattress likely be sent to your property? Let alone delivering it, who will set this up? Have you understood it is perfect for determining whether the brand provides delivery services? If not, you’re likely to hire a handyman that will assist you in mending it.
Are there any guarantee conditions?
Purchasing something with no guarantee doesn’t make sense. In reality, a guarantee adds value to your product. It’s highly advisable to keenly examine the brand’s provisions and conditions of earning claims and the way you’re likely to cover repairs.
You’ll also wish to learn the limitations and ways that you can prevent its guarantees.
Strategies for Sleep During Pregnancy
Even though some elements could affect how well you sleep during your pregnancy (and it all might feel very overpowering), there are several ways to improve your sleeping habits and cancel those signs. Make your wellbeing and health a priority during your pregnancy. We’ve included our very best tips for sleeping through pregnancy below.
Keep the room cool. Between hot flashes and night sweats, you might feel warm during your pregnancy. Maintaining your bedroom in a comfortable, trendy temperature between 60 and 67 degrees Fahrenheit might help alleviate some of those signs. This fever also promotes your body to fall asleep quicker. Put money into breathable lightweight and bedding pajamas to protect against the sensation of sleeping hot.
Sleeping on the side, particularly during your third and second trimesters. As we have mentioned, this sleeping place is right for you and your infant because it increases blood circulation. Also, it protects critical organs and will be comfortable as your belly grows.
Restrict fluids. As your pregnancy progresses, you might end up having to use the toilet more often. It’s essential to remain hydrated during the day; however, restricting fluids before bedtime will hopefully reduce the number of times you feel like you need to get up during the evening.
Locate a wholesome diversion if you can not fall asleep. Rather than putting in bed stressing about the way you cannot sleep soundly, locate a diversion that can allow you to unwind and relax. Reading a book, knitting, or meditating are tasks that could help keep your brain occupied without worrying. It is important not to reach your phone or the TV remote, though-electronic equipment can cause you to feel fuller.
Restrict caffeine. Using a coffee cup in the morning is one thing; however, indulging in caffeine later in the day can affect how easy it’s to fall asleep. Caffeine is a stimulant, so it is going to cause you to feel more awake and alert.
Request a massage. Pregnancy may lead to sore muscles, back pain, and anxiety throughout the entire body. This strain and pain are frequently cited as a principal cause of difficulty sleeping during pregnancy. Consult your partner for a massage to release a number of that strain and provide relief for sore muscles. An aromatherapy candle could provide a relaxing odor because you enjoy your massage.
It’s essential to consider what challenges you’re facing regarding getting a fantastic night’s sleep and fixing them directly. Your physician can provide additional recommendations to take care of symptoms and allow you to find relief.
Purchasing a mattress for a pregnant woman is a complex undertaking. The ideal mattress for pregnancy ought to provide comfort, service (border support), breathability, and a reasonable price tag.
In this guide, we’ve provided reviews of the best mattresses for pregnant ladies. They feature all the vital features you want to locate. After looking through all of it, hopefully, you have a notion of your fundamental mattress.
Video: Best and Worst Sleeping Positions during Pregnancy
Last update on 2021-02-12 / Affiliate links / Images from Amazon Product Advertising API