Maternity Knickers
MaybeAn estimated 0.9% of orders come back. But shoppers spend an estimated $62K a year here, so Maternity Knickers is a Maybe.
- Flapen Score
- 52 / 100Top 34% of 2,461 Fashion niches · +4 vs the category median of 4852
- Market size
- £62K/yr256K searches / yr
- 90-day growth
- -15.8%search demand this quarter
- Competition
- 36%top-5 click share · 26 brands · 37 sellers
Flapen Score
Maternity Knickers against its category
The dotted line is the Fashion average. Past it, Maternity Knickers is stronger. Inside it, weaker.
Market
The Maternity Knickers market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Maternity Knickers 256K times last year and spent an estimated £62K. The top 5 brands take 52% of clicks. Demand peaks in Jan–Feb. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 1.5% of those searches ended in a purchase.
Shoppers searched for this 256K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 1.5% of those searches ended in a purchase. Searches in the last 90 days moved -15.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £62K a year.
- Searches, last 12 months
- 256K
- Growth, 90 days vs prior 90
- -15.8%
- Conversion, latest week
- 1.5%
- Market size, estimated
- £62Ka year
- Peak month
- January1.6× the quietest month
- Top search term
- maternity pants92K searches a year
02 · Price
A sale here is worth £16.05.
Listings sell for £16.05 on average, from £7.48 to £28.43. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 0 to 100 of them. At £16.05 that is £0 to £2K a year per listing.
- Average price
- £16.05inside the $15 to $100 sweet spot
- Price range
- £7.48–£28.43
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£2K
- Returns
- 0.9%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 3.3% of listings are out of stock. The average listing ranks #26 within Maternity. It carries 3,177 reviews at 4.33 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 98%
- Out of stock, average day
- 3.3%
- Average rank
- #26in Maternity
- Average rating
- 4.33 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 3,177per listing
- Listings tracked
- 57
04 · Newcomers
0 of last year's 9 launches cleared the first-year sales bar.
9 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 43 months on average, so the names here are settling in.
- Launched, last 12 months
- 9
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 43 months
Products
Top Maternity Knickers products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
HBselect 6 Pack Womens Maternity Knickers Cotton Pregnancy Panties Under Bump Maternity Underwear
- Price
- £14.44
- Rating
- 4.6/5
- Reviews
- 6,780
- Age
- 5y ago

momcozy Womens Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump
- Price
- £24.03
- Rating
- 4.1/5
- Reviews
- 39
- Age
- 1y ago

Frida Mom Postpartum Disposable Knickers | Microfibre Boyshort Cut Knickers with Super Soft Stretchy and Breathable Fabric | Size Regular 8ct
- Price
- £11.56
- Rating
- 4.8/5
- Reviews
- 16,753
- Age
- 7y ago

TUTUESTHER High Waist Postpartum Underwear Women Cotton Full Briefs Tummy Control Panties(12 Classic Black)
- Price
- £14.90
- Rating
- 4.4/5
- Reviews
- 1,208
- Age
- 5y ago

HBselect 6 Pack Women Under The Bump Maternity Knickers Bikini Cotton Pregnancy Underwear
- Price
- £11.99
- Rating
- 4.4/5
- Reviews
- 729
- Age
- 1y ago
Trending
estimated 90-day click momentum
Diawsome Maternity Thongs Over Bump 5 Pack Seamless Pregnancy Knickers for Women High Waist Belly Support Underwear with Soft Cotton Gusset
- Price
- £28.20
- Rating
- 4.1/5
- Reviews
- 12
- Age
- 1y ago

Diawsome Maternity Thongs Over Bump 3 Pack Seamless Pregnancy Knickers for Women High Waisted Belly Support Underwear Shapewear
- Price
- £22.50
- Rating
- 4.2/5
- Reviews
- 19
- Age
- 1y ago

momcozy Womens Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump
- Price
- £24.03
- Rating
- 4.1/5
- Reviews
- 39
- Age
- 1y ago

HBselect 6 Pack Women Under The Bump Maternity Knickers Bikini Cotton Pregnancy Underwear
- Price
- £11.99
- Rating
- 4.4/5
- Reviews
- 729
- Age
- 1y ago

TUTUESTHER High Waist Postpartum Underwear Women Cotton Full Briefs Tummy Control Panties(12 Classic Black)
- Price
- £14.90
- Rating
- 4.4/5
- Reviews
- 1,208
- Age
- 5y ago
Newest
by launch date
HBselect 6 Pack Women Under The Bump Maternity Knickers Bikini Cotton Pregnancy Underwear
- Price
- £11.99
- Rating
- 4.4/5
- Reviews
- 729
- Age
- 1y ago

Diawsome Maternity Thongs Over Bump 5 Pack Seamless Pregnancy Knickers for Women High Waist Belly Support Underwear with Soft Cotton Gusset
- Price
- £28.20
- Rating
- 4.1/5
- Reviews
- 12
- Age
- 1y ago

ZiaWorld 4 Pack Maternity Knickers for Women Adjustable Soft Cotton Over Bump Underwear Hipster Panties Comfortable Breathable Pregnancy Seamless Briefs (UK Alpha XXL Regular Regular Multicolor)
- Price
- £12.46
- Rating
- 4.3/5
- Reviews
- 42
- Age
- 1y ago

Diawsome Maternity Thongs Over Bump 3 Pack Seamless Pregnancy Knickers for Women High Waisted Belly Support Underwear Shapewear
- Price
- £22.50
- Rating
- 4.2/5
- Reviews
- 19
- Age
- 1y ago

momcozy Womens Maternity High Waist Underwear Pregnancy Soft Seamless Maternity Underwear Over Bump
- Price
- £24.03
- Rating
- 4.1/5
- Reviews
- 39
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 36% of clicks, no more. An open shelf where new products get seen.
Brands
26 rising
Sellers
37
Est. top-5 brand share
52%
Top 20: 96%
Est. top-5 click share
36%
Top 20: 68%
Open market
41%
- HBselect21%
- INNERSY9%
- momcozy8%
- Intimate Portal8%
- Diawsome7%
- SUNNYBUY7%
Demand
Maternity Knickers search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb · busiest ÷ quietest = 1.6×
Search terms
Top Maternity Knickers search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- maternity pants92K/yr
- maternity underwear45K/yr
- maternity knickers51K/yr
- maternity knickers over bump12K/yr
- maternity underwear for pregnancy9K/yr
- pregnancy pants9K/yr
- pregnancy underwear7K/yr
- cotton maternity knickers5K/yr
- pregnancy underwear women6K/yr
- pregnancy knickers4K/yr
Reviews and returns
What reviews say buyers love and hate about Maternity Knickers
We read the reviews and the return reasons for every product selling here.
“small”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Maternity Knickers questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









