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Maternity Knickers

Maternity Knickers shows low returns (0.9%), but a small market ($62K/yr) keeps it on the watch list.

Flapen Score

52
Worth a look
Market size 16Growth 17Conversion 19Competition 79Returns 95Price range 64Avg price 78Brand share 83Review moat 33Quality gap 70
This niche Category average

Is Maternity Knickers profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Maternity Knickers is a £62K/yr Amazon United Kingdom market (256K searches/yr). The top 5 brands hold 52% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 52/100.

Maternity Knickers: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -15.8% over the last 90 days and 1.5% of searches end in a purchase.

£62K

revenue / yr

Units sold / yr4K
Search volume / yr-15.8%256K
Conversion rate1.5%
Avg price£16.05

Who owns the niche?

The top 5 brands hold 52% of demand, so 48% of the market is open.

48%

open market share

Brands · sellers26 · 37
Top-5 product click share36%
Open market48%
Avg brand age43 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 57 products

Sponsored placement88%
New entrants (1y)9· 0 succeeded
Avg rating4.3★
Avg reviews3,177

Top Maternity Knickers products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

£0£2K£4K£6K£7K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

26 rising

Sellers

37

Top-5 brand share

52%

Top 20: 96%

Top-5 click share

36%

Top 20: 68%

Open market

41%

  • HBselect21%
  • INNERSY9%
  • momcozy8%
  • Intimate Portal8%
  • Diawsome7%
  • SUNNYBUY7%

Maternity Knickers demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume256KCVR1.5%Products57Brands26Top 5 Brands52%OOS Rate3.3%Rating4.3★Reviews3,177Avg BSR#26
6K4KSpike '26JunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Feb · busiest ÷ quietest = 1.6×

Top Maternity Knickers search terms shoppers use

The exact queries shoppers type, with 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

What reviews say buyers love and hate about Maternity Knickers

What buyers mention most, as a share of all reviews.

What buyers love

81% of reviews
Comfort-Overall36%

So comfortable

Size-Overall10%

Fits just right

Quality-Overall9%

Decent leggings

Value For Money8%

Worth the money

Soft Feel7%

Comfy and soft

What buyers complain about

55% of reviews
Size-Overall12%

small

Smell11%

Strange scent

Quality-Overall8%

Poor quality

Material Quality5%

Wish they were more like athletic wear material as they feel quite thin

Thickness4%

Thin

Maternity Knickers return rate & reasons

Why buyers send it back, as a share of all return requests.

0.9%

Return rate

42%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
29%
2Material Quality
16%
3Thin
10%
4Transparency
9%
5Smell
6%

Common Maternity Knickers questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Maternity Knickers 52/100 on Amazon United Kingdom — Worth a look. The niche generates £62K/yr across 57 tracked products. 0 of 9 products launched in the last 360 days are still selling. Search demand moved -15.8% over the last 90 days.
Search demand for Maternity Knickers on Amazon United Kingdom peaks in Jan–Feb, where the busiest month runs 1.6× the quietest.