---
title: "Maternity Underwear — $55K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/maternity-underwear"
last_updated: "2026-08-12T09:13:16.889Z"
locale: en
meta:
description: "Amazon product research for maternity underwear: $55K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for maternity underwear: $55K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Maternity Underwear — $55K/mo Amazon US Product Research"
---
# **Maternity Underwear**
**Worth a look**
Shows a sweet-spot price point ($24.09 avg), but weak search conversion (1.4%) keeps it on the watch list.
Market size 67Growth 23Conversion 18Competition 79Returns 46Price range 76Avg price 95Brand share 45Review moat 23Quality gap 42
**Avg price**
**Incredible****$24.09**
avg listing price — sweet spot $15–$100
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Price range**
**Great****$8.70–$35.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$666K**
$666K/yr · 1.9M searches
**Returns**
**Okay****3.3%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-4.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****8,114.9**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.4%**
search→purchase rate — share of searches ending in a sale
## **Is maternity underwear profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, maternity underwear is a $666K/yr Amazon United States market (1.9M searches/yr). The top 5 brands hold 78% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **maternity underwear market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **25K–30K**
- avg 500–750/product
- **Revenue / yr**
- **$602K–$723K**
- units × avg price
- **Conversion rate**
- **1.4%**
- **Avg BSR**
- **#4,165**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **0.3%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **190 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**19 **—flat
**Sellers**
**27**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**36%**
Top 20: 77%
**Open market**
**18%**
- Intimate Portal36% - Momcozy15% - Angelhood12% - SUNNYBUY8% - Summer Mae8% - Frida Mom4% - Open — no brand owns it (13 brands, 18%)
## **maternity underwear demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.1% search growth over the last 90 days.
50K30KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/maternity-underwear/trend)
## **Top maternity underwear search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **maternity underwear**802K/yr-1.8%1.3% conv. - **maternity underwear for women**308K/yr-21.6%1.3% conv. - **pregnancy underwear for women**187K/yr-19.8%1.3% conv. - **pregnancy underwear**128K/yr+18.8%1.3% conv. - **maternity panties**95K/yr-6.2%1.0% conv. - **maternity underwear cotton**75K/yr-6.0%1.1% conv. - **cotton maternity underwear**65K/yr-2.9%1.0% conv. - **momcozy underwear for pregnancy**19K/yr+30.8%2.0% conv. - **maternity underwear seamless**38K/yr-2.4%1.1% conv. - **seamless maternity underwear**31K/yr+4.2%0.8% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/maternity-underwear/search-terms)
## **Top maternity underwear products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$20K6%$40K9%$60K12%$80K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Intimate Portal Maternity Underwear Cotton Pregnancy Postpartum Panties Foldable Under the Bump Briefs 6 Pack Epitome L**Intimate Portal**$23.61**4.7★5,357 rev](https://www.amazon.com/dp/B0829YPXR8) [2**Intimate Portal Cotton Maternity Underwear Under the Bump Pregnancy Bikini Panties Women Postpartum Briefs 6 Pack Inspiration M**Intimate Portal**$19.54**4.7★32,865 rev](https://www.amazon.com/dp/B08C9VX729) [3**Momcozy Womens Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump 3 Pack**Momcozy**$28.68**4.6★1,216 rev](https://www.amazon.com/dp/B0C89NKVNJ) [4**SUNNYBUY Womens Maternity High Waist Underwear Pregnancy Seamless Soft Hipster Panties Over Bump (Five color-5pk XL)**SUNNYBUY**$32.06**4.5★10,409 rev](https://www.amazon.com/dp/B07WPXBS3S) [5**Angelhood 6 Pack Womens Maternity Underwear Healthy Maternity Pregnancy Panties Postpartum Mother Under Bump Underwear Large**Angelhood**$15.60**4.4★10,066 rev](https://www.amazon.com/dp/B091MCVSMG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Summer Mae Maternity Underwear Viscose Derived from Bamboo High Waist Soft Breathable Seamless Pregnancy Panties Over Bump X-Large 5PC**Summer Mae**$33.12**112 rev10mo ago](https://www.amazon.com/dp/B0FQBZGRG6) [**Summer Mae Maternity Underwear Viscose Derived from Bamboo High Waist Soft Breathable Seamless Pregnancy Panties Over Bump Large 5PC**Summer Mae**$33.24**112 rev10mo ago](https://www.amazon.com/dp/B0FQBZ2B16) [**HOFISH Maternity Support Underwear Seamless No-Show Pregnancy Shapewear Panties for Women 2Pack Black/Beige Medium**HOFISH**$8.70**421 rev11mo ago](https://www.amazon.com/dp/B0FKS51C9S) [**Angelhood 5 Pack Maternity Underwear Seamless Pregnancy Postpartum Panties Wave Edge No Show Bikini Under Bump Large**Angelhood**$18.82**289 rev2y ago](https://www.amazon.com/dp/B0D6RJQF24) [**Angelhood Seamless Maternity Underwear for Women High Waist Panties Plus Size Shapewear Pregnancy Underwear Over Bump 5 Pack**Angelhood**$23.92**316 rev2y ago](https://www.amazon.com/dp/B0CKMDL6C7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Summer Mae Maternity Underwear Viscose Derived from Bamboo High Waist Soft Breathable Seamless Pregnancy Panties Over Bump X-Large 5PC**Summer Mae**$33.12**4.4★**▲ 55%**](https://www.amazon.com/dp/B0FQBZGRG6) [**Frida Mom 8pc Postpartum Underwear Disposable Boyshort Panties Seamless Stretch Support New Mom Essentials Size M/L (28in-42in)**Frida Mom**$9.53**4.7★**▲ 53%**](https://www.amazon.com/dp/B07THFQS6Y) [**Mama Cotton Womens Over The Bump Maternity Panties High Waist Full Coverage Pregnancy Underwear Adjustable Waistband (Multicolor D 5 Pack Size-3XL)**Mama Cotton**$28.19**4.5★**▲ 38%**](https://www.amazon.com/dp/B07QS3XN9Y) [**KUNINDOME Seamless Maternity Underwear over Bump 3 Pack Black + Nude + Pink Large**KUNINDOME**$17.77**4.5★**▲ 18%**](https://www.amazon.com/dp/B0BQWP4GPL) [**HOFISH Maternity Support Underwear Seamless No-Show Pregnancy Shapewear Panties for Women 2Pack Black/Beige Medium**HOFISH**$8.70**4.5★**▲ 18%**](https://www.amazon.com/dp/B0FKS51C9S)
**~~View all trending →~~**
## **What reviews say buyers love and hate about maternity underwear**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**40%
*“Comfortable option”*
**Size-Overall**13%
*“They fit snugly”*
**Soft Feel**6%
*“The material was soft”*
**Stretchability/Expandability/Elasticity**6%
*“Soft comfortable stretchy great price”*
**Quality-Overall**5%
*“Premium quality”*
**Value For Money**3%
*“Great value”*
**Durability**2%
*“Very durable”*
**Breathability**1%
*“Breathable and comfortable”*
**Support-Overall**1%
*“Provide comfort and support when you need it most”*
**Leak-Proof**1%
*“Had no issues with leaking”*
### **What buyers complain about **
**Size-Overall**18%
*“Fit is too large”*
**Comfort-Overall**6%
*“Not comfortable at all”*
**Material Quality**5%
*“I do not like it the material is very uncomfortable”*
**Allergies**5%
*“Caused A Rash”*
**Stretchability/Expandability/Elasticity**4%
*“Very bad stretch”*
**Quality-Overall**3%
*“Poor quality”*
**Value For Money**3%
*“Overpriced”*
**Breathability**2%
*“Not breathable, breaks easily”*
**Absorbency**2%
*“They arent absorbent”*
**Durability**2%
*“Falls Apart”*
### **Top return reasons **
**Size-Overall**54%
**Waist Fit**10%
**Material Quality**6%
**Thigh Fit**4%
**Advertised Vs Actual Product**3%
**Value For Money**3%
**Comfort-Overall**3%
**Length**2%
**Shape/Style**2%
**Width**1%
## **Common maternity underwear questions**
- **Is maternity underwear profitable to sell on Amazon United States?**
- The niche generates $666K/yr across 50 tracked products. 6 of 10 products launched in the last 360 days are still selling. 90-day search growth is -4.1%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the maternity underwear niche?**
- 19 brands and 27 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in maternity underwear?**
- Top complaints mined from reviews: Size-Overall, Comfort-Overall, Material Quality. The return rate is 3.3%.
- **When does demand for maternity underwear peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the maternity underwear niche?**
- Listings span $8.70–$35.10; the average listing price is $24.09 (sweet spot $15–$100). The average incumbent carries 8,115 reviews — the moat a new listing must climb.
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