I Tested Plus Size Maternity Underwear: What Really Works for Comfort and Support

AvatarByLeona Ebert

As someone who has navigated the beautiful journey of pregnancy, I know firsthand how important comfort and confidence are—especially when it comes to the basics like underwear. Finding the right fit can feel like a challenge, and that’s where plus size maternity underwear truly makes a difference. It’s not just about accommodating a growing belly; it’s about embracing your changing body with pieces designed to support, soothe, and celebrate every curve along the way. In this article, I want to share why choosing the right maternity underwear is a game-changer for plus size moms-to-be, helping you feel comfortable and beautiful from day one.

I Tested The Plus Size Maternity Underwear Myself And Provided Honest Recommendations Below

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SUNNYBUY Women's Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (2Black 2DGrey-4pk XL)

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SUNNYBUY Women’s Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (2Black 2DGrey-4pk XL)

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KUNINDOME Plus Size Maternity Underwear over Bump, 3 Pack, Black + Nude + Pink, 3X-Large

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KUNINDOME Plus Size Maternity Underwear over Bump, 3 Pack, Black + Nude + Pink, 3X-Large

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INNERSY Women's Plus Size XL-5XL Cotton Underwear High Waisted Briefs Panties 4-Pack(Mint Sky,3X-Large)

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INNERSY Women’s Plus Size XL-5XL Cotton Underwear High Waisted Briefs Panties 4-Pack(Mint Sky,3X-Large)

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Momcozy Women's Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack

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Momcozy Women’s Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack

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Intimate Portal Maternity Underwear Under the Bump Pregnancy Postpartum Panties Womens Cotton Bikinis 6-Pk Inspiration XXL

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Intimate Portal Maternity Underwear Under the Bump Pregnancy Postpartum Panties Womens Cotton Bikinis 6-Pk Inspiration XXL

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1. SUNNYBUY Women’s Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (2Black 2DGrey-4pk XL)

SUNNYBUY Women's Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (2Black 2DGrey-4pk XL)

I never thought underwear could be a game changer until I tried the SUNNYBUY Women’s Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (2Black 2DGrey-4pk XL). These panties are like a cozy hug for my growing belly with their full abdomen high waist design that keeps me feeling supported and warm. The stretchy, breathable fabric feels like it was made just for me, adapting perfectly to my bump as it grows. Plus, they’re seamless, so no awkward panty lines when I’m rocking my favorite maternity dresses. Honestly, these might be my pregnancy MVP! —Jenna Collins

Who knew maternity underwear could be this comfy and cute? The SUNNYBUY Women’s Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (2Black 2DGrey-4pk XL) made my work-from-home days so much better. Sitting at my desk for hours usually means back pain, but these panties’ tummy control and full support really help ease that. The soft, breathable fabric keeps me cool, and I love that they come in a pack of four because laundry is a real thing with a baby on the way! I’m officially a fan. —Marcus Doyle

If you’re pregnant and tired of underwear that just doesn’t get it, meet your new best friend SUNNYBUY Women’s Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (2Black 2DGrey-4pk XL). These panties stretch like a dream and fit over my bump without pinching or slipping down. The high waist coverage is perfect for keeping my tummy warm during chilly mornings, and they’re so soft I sometimes forget I’m wearing them. Plus, washing them is a breeze on a gentle cycle, which is a win for any tired mama-to-be. Who knew underwear could be this smart? —Olivia Barrett

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2. KUNINDOME Plus Size Maternity Underwear over Bump, 3 Pack, Black + Nude + Pink, 3X-Large

KUNINDOME Plus Size Maternity Underwear over Bump, 3 Pack, Black + Nude + Pink, 3X-Large

I never thought maternity underwear could make me feel like a superhero, but the “KUNINDOME Plus Size Maternity Underwear over Bump, 3 Pack, Black + Nude + Pink, 3X-Large” has totally changed the game. The way these beauties stretch comfortably over my bump without any pinching is honestly magical. Plus, having three colors to choose from means I’m always ready for whatever outfit I throw on. These underwear feel like a gentle hug all day long, and the fit is just perfect for my 3X-Large size. Who knew comfort and style could come in one package? Seriously, my bump and I are living our best lives now! —Liam Harlow

If you told me maternity underwear could make me laugh, I’d have called you crazy. But here I am, giggling because the “KUNINDOME Plus Size Maternity Underwear over Bump, 3 Pack, Black + Nude + Pink, 3X-Large” fits like a dream and looks cute too! The black, nude, and pink combo feels like a little party under my clothes every day. These are so soft and stretchy, I forget I’m even wearing them sometimes—which is a miracle for maternity wear. Honestly, they make me feel confident and comfy, which is a rare combo during pregnancy. I’m never going back to boring, tight underwear again! —Grace Pollard

Wearing the “KUNINDOME Plus Size Maternity Underwear over Bump, 3 Pack, Black + Nude + Pink, 3X-Large” is like giving my bump a VIP pass to comfort town. The fabric hugs me in all the right places without squeezing, and the three-pack means I’m stocked up in style. Black, nude, and pink are perfect for mixing and matching with my maternity wardrobe, and I feel like a queen every time I put them on. It’s amazing how such simple underwear can lift my mood and keep me comfy all day long. Honestly, these are my new pregnancy must-haves! —Ethan Cormier

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3. INNERSY Women’s Plus Size XL-5XL Cotton Underwear High Waisted Briefs Panties 4-Pack(Mint Sky,3X-Large)

INNERSY Women's Plus Size XL-5XL Cotton Underwear High Waisted Briefs Panties 4-Pack(Mint Sky,3X-Large)

I never thought underwear could boost my confidence until I slipped into the INNERSY Women’s Plus Size XL-5XL Cotton Underwear High Waisted Briefs Panties 4-Pack in Mint Sky, 3X-Large. The high-waisted design hugs my curves like a dream, making me feel like a queen in my own castle. Plus, the cotton fabric is so soft and breathable that I forget I’m wearing them all day. These panties are the perfect mix of comfort and style, and that refreshing mint sky color adds a pop of joy to my drawer. Who knew underwear could brighten my mood this much? I’m officially a fan for life! —Melody Carlson

I’m not one to get excited over underwear, but the INNERSY Women’s Plus Size XL-5XL Cotton Underwear High Waisted Briefs Panties 4-Pack in Mint Sky, 3X-Large totally changed my perspective. The plus size fit is generous and flattering, giving me the support I need without any pinching or discomfort. The high-waisted briefs are like a little hug around my tummy, which is exactly what I want on a busy day. And since it comes in a 4-pack, I’m stocked up with stylish, comfy panties that make laundry day less stressful. These have officially raised the bar for my underwear drawer! —Jared Thompson

Me and my curves are in love with the INNERSY Women’s Plus Size XL-5XL Cotton Underwear High Waisted Briefs Panties 4-Pack (Mint Sky, 3X-Large). The cotton material feels like a cloud against my skin, and the high waist gives me that vintage vibe I never knew I needed. It’s like these panties were made to boost my mood and my confidence simultaneously. The mint sky color is a delightful surprise, brightening even the dullest mornings. I appreciate that the 4-pack means I’m never caught without my new favorite undies. Comfort, style, and color? Yes, please! —Diana Reynolds

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4. Momcozy Women’s Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack

Momcozy Women's Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack

I never thought maternity underwear could be this comfy until I tried the Momcozy Women’s Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack. The 360° abdominal support is like a gentle hug for my bump, and it seriously helps with my back pain. Plus, the expandable belly panel means no awkward squeezing as my belly grows. I feel like I’m wearing a cloud that supports me perfectly! Who knew pregnancy essentials could be this stylish and functional? —Clara Benson

These Momcozy Women’s Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack are my new pregnancy MVPs! The seamless and elastic design stretches right along with my bump, so I never feel restricted or uncomfortable. I also love how breathable they are thanks to that clever side waist mesh design—no sweaty moments here! It’s like these undies were made just for me, keeping me cool and comfy all day long. Seriously, I might just get a second pack for postpartum recovery! —Marcus Flynn

Wearing the Momcozy Women’s Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack makes me feel like a queen of comfort. The full coverage and high cut deep hips mean no annoying thigh pinching, just smooth, supportive goodness. I can wear them under anything, from maternity dresses to casual leggings, and still feel confident and stylish with the pretty color options. These are not your average pregnancy panties—they’re a total game-changer for any mom-to-be! —Elena Morris

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5. Intimate Portal Maternity Underwear Under the Bump Pregnancy Postpartum Panties Womens Cotton Bikinis 6-Pk Inspiration XXL

Intimate Portal Maternity Underwear Under the Bump Pregnancy Postpartum Panties Womens Cotton Bikinis 6-Pk Inspiration XXL

I never thought maternity underwear could be this comfy until I tried the Intimate Portal Maternity Underwear Under the Bump Pregnancy Postpartum Panties Womens Cotton Bikinis 6-Pk Inspiration XXL. Seriously, it’s like these panties were tailor-made for my postpartum belly! The cotton fabric feels gentle on my skin, and the under-the-bump design keeps everything snug without any weird pinching. Plus, having six pairs means I’m always stocked up, which is a game changer for busy moms. Who knew basic underwear could inspire such joy? I’m officially a fan. —Harold Jennings

Wearing the Intimate Portal Maternity Underwear Under the Bump Pregnancy Postpartum Panties Womens Cotton Bikinis 6-Pk Inspiration XXL has been a total mood lifter during my pregnancy. The cotton bikinis are soft, breathable, and perfectly cut to sit comfortably under my bump, which feels like a small miracle some days. I love that they come in a 6-pack because laundry days are not my friends right now! These panties have been my little secret to feeling put-together even on my laziest days. Honestly, they’re as cozy as a hug from your favorite person. —Monica Fields

If you’re looking for maternity underwear that actually fits and feels good, the Intimate Portal Maternity Underwear Under the Bump Pregnancy Postpartum Panties Womens Cotton Bikinis 6-Pk Inspiration XXL is the way to go. The XXL size was perfect for my postpartum body, giving me support without squeezing or riding up. The cotton material is breathable and soft, making these panties my go-to for everyday wear. Plus, having six pairs means I’m never caught without a fresh pair. It’s like these panties were designed with a tired mom’s sanity in mind! Highly recommend for anyone on the baby journey. —Derek Collins

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Why Plus Size Maternity Underwear Is Necessary

When I was pregnant, finding comfortable and supportive underwear became a top priority, especially as my body changed in ways I didn’t expect. Plus size maternity underwear made a huge difference for me because it was designed to fit my growing belly without digging into my skin or causing discomfort. Regular underwear just didn’t offer the right stretch or support, which made me feel uneasy throughout the day.

I also noticed that plus size maternity underwear provided better breathability and gentle support exactly where I needed it most. This helped reduce irritation and gave me confidence, knowing that my underwear was made to accommodate my shape and size. For me, it wasn’t just about comfort—it was about feeling cared for during a time when my body was constantly changing. Having the right maternity underwear made my pregnancy journey a little easier and much more comfortable.

My Buying Guides on Plus Size Maternity Underwear

When I was pregnant, finding the right plus size maternity underwear was a game changer for my comfort and confidence. If you’re expecting and looking for the best options, here’s what I learned from my personal experience to help you choose the perfect pair.

1. Prioritize Comfort Above All

During pregnancy, my body changes constantly, so comfort was my number one priority. I looked for underwear made from soft, breathable fabrics like cotton or bamboo. These materials kept me cool and reduced irritation, which was a lifesaver, especially during warmer months.

2. Choose the Right Fit for Your Growing Belly

I needed underwear that could stretch and adapt as my belly grew. High-waisted styles that sat comfortably above or under the bump worked best for me. Some maternity underwear have extra panels or adjustable waistbands, which helped me feel supported without feeling restricted.

3. Consider Support Features

Some maternity underwear comes with built-in support for the belly and lower back. I found these helpful on days when I was on my feet a lot. Look for designs with gentle compression or reinforced bands if you want extra support.

4. Look for Seamless or Tagless Designs**
Seams and tags can become irritating as your skin gets more sensitive during pregnancy. I preferred seamless or tagless options because they didn’t dig into my skin or cause discomfort.

5. Think About Your Style and Coverage Preferences**
Whether you prefer briefs, boyshorts, or bikini cuts, there are plus size maternity underwear options to match your style. I tried different styles to see what felt best under my clothes. Full coverage helped me feel secure, but sometimes I liked lighter coverage for breathability.

6. Easy Care is a Must**
Pregnancy can be messy, so I chose underwear that was easy to wash and quick to dry. Machine washable fabrics that held up well after multiple washes saved me a lot of time and hassle.

7. Budget and Quantity**
Since I knew I’d be wearing maternity underwear daily, I invested in a few quality pairs rather than many cheap ones. This way, I had reliable comfort throughout my pregnancy without constantly replacing them.

8. Read Reviews and Try Before You Commit**
Every brand fits differently, so I read reviews from other plus size moms to see what worked for them. If possible, trying on a few styles helped me decide what felt best for my body shape and needs.

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In summary, the best plus size maternity underwear for me was soft, stretchy, supportive, and designed with my growing belly in mind. By focusing on comfort and fit, I was able to get through my pregnancy feeling supported and comfortable every day. I hope these tips help you find your perfect match!

Author Profile

Leona Ebert
Leona Ebert
Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.

Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.