pregnant halloween costume
Worth a lookShows demand growing +101.1% this quarter, but weak search conversion (0.1%) keeps it on the watch list.
Growth
Great+101.1%90-day search growth — must beat 0% to launch
Price range
Great$9.92–$69.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$19.27avg listing price — sweet spot $15–$100
Competition
Great33%top-5 click share — an open shelf
Brand share
Good67%top-5 brand share — brands hold most of the demand
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay2,069.25avg incumbent reviews — the moat a new listing must climb
Returns
Bad6.6%return rate — above 5% kills the launch gate
Market size
Bad$26K$26K/yr · 967K searches
Conversion
Bad0.1%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, pregnant halloween costume is a $26K/yr Amazon United States market (967K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 51/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
pregnant halloween costume market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $58K–$77K
- units × avg price
- Conversion rate
- 0.1%
- Avg BSR
- #18,000
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 70%
- Out of stock
- 20.7%
- Avg brand age
- 39 months
- Avg seller age
- 203 days
Competition & brand share
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.Brands
22 falling
Sellers
25
Top-5 brand share
67%
Top 20: 99%
Top-5 click share
33%
Top 20: 69%
Open market
29%
- Crazy Dog T-Shirts41%
- Mepase12%
- Wakefulness Youth6%
- SGYHO5%
- For G and PL5%
- Teesider4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +101.1% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 278.7×
Top pregnant halloween costume search terms
- pregnant halloween costume220K/yr
- maternity halloween costumes142K/yr
- halloween costumes for pregnant women63K/yr
- pregnancy halloween costumes81K/yr
- halloween pregnancy shirt44K/yr
- halloween maternity shirt46K/yr
- maternity costume37K/yr
- maternity halloween22K/yr
- maternity halloween shirt52K/yr
- pregnant halloween shirt51K/yr
Top pregnant halloween costume products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Mepase Boho Witch Lace Kimono Kaftan Dress Robe Bikini Swimsuit Beach Cover up for Women Maternity Halloween Vampire Costume(Black)
Mepase$18.914.4★304 rev

Maternity Happy Jack O Lantern Pregnancy T Shirt Cute Halloween Pumpkin Bump Tee Funny Graphic Pregnancy Tee Halloween Maternity Wear Maternity Shirts Orange M
Crazy Dog T-Shirts$18.344.3★290 rev

Maternity Baby Girl Skeleton Pregnancy Halloween Baby Bump Tee Black XL
Crazy Dog T-Shirts$13.294.4★8,600 rev

Maternity Monster Eyeball Halloween Pregnancy Bump Cute T Shirt Green L
Crazy Dog T-Shirts$13.834.4★8,600 rev

Maternity Monster Eyeball Halloween Pregnancy Bump Cute T Shirt Green M
Crazy Dog T-Shirts$13.874.4★8,600 rev
Newest
by launch date
Halloween Maternity Shirt for Women Funny Pumpkin Graphic Pregnancy Tee Short Sleeve Mama to Be Fall Holiday T-Shirt
Wakefulness Youth$14.862 rev

Halloween Maternity Shirt for Women Funny Pumpkin Graphic Pregnancy Tee Short Sleeve Mama to Be Fall Holiday T-Shirt
Wakefulness Youth$13.942 rev

Maternity Halloween T Shirt Skelly in My Belly Pregnant Short Sleeve Shirts Halloween Pregnancy Announcement Top Tees Gray
SGYHO$16.480 rev

Maternity Halloween T Shirt Skelly in My Belly Pregnant Short Sleeve Shirts Halloween Pregnancy Announcement Top Tees Apricot
SGYHO$20.450 rev

For G and PL Halloween Womens Maternity Pregnant Winnie Costume Breastfeeding Pregnancy Color Block Dress Multicoloured L
For G and PL$30.7479 rev
Trending
90-day click momentum
Maternity Halloween T Shirt Skelly in My Belly Pregnant Short Sleeve Shirts Halloween Pregnancy Announcement Top Tees Apricot
SGYHO$20.450.0★

Halloween Maternity Shirt for Women Funny Pumpkin Graphic Pregnancy Tee Short Sleeve Mama to Be Fall Holiday T-Shirt
Wakefulness Youth$14.865.0★

Fake Pregnant Belly Ultra Lightweight Memory Sponge Fake Baby Bump for Maternity Photo Shoot Halloween Cosplay Film Props Realistic Looking Large Twin Size Belly with Adjustable Strap (8-9 Months)
Alokmn$34.804.8★

Maternity Halloween T Shirt Skelly in My Belly Pregnant Short Sleeve Shirts Halloween Pregnancy Announcement Top Tees Gray
SGYHO$16.480.0★

Halloween Maternity Shirt for Women Funny Pumpkin Graphic Pregnancy Tee Short Sleeve Mama to Be Fall Holiday T-Shirt
Wakefulness Youth$13.945.0★
What buyers say about pregnant halloween costume
What buyers praise and complain about, mined from review topics.What buyers love
“So comfortable”
“Fit very snug”
“Comfortable and stretchy”
“The fabric is soft”
“Good quality, adjustable size”
“Super comfy material”
“Not see through”
“Its cute to pair with any outfit”
“Was good deal for 5mins”
“Great thick material”
What buyers complain about
“awkward fit”
“not the best quality”
“Cheap material and the head part doesn't stay up very well”
“However, what was extremely disappointing is that it arrived used”
“Arrived with a huge hole in the left leg”
“So uncomfortable”
“Not stretchy for the belly”
“It doesnt have much stretch”
“itchy lace that does not drape or flow nicely”
“Material is thicker than expected”
Top return reasons
Common questions
- Is pregnant halloween costume profitable to sell on Amazon United States?
- The niche generates $26K/yr across 53 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is +101.1%. Flapen's verdict: Worth a look (51/100).
- How competitive is the pregnant halloween costume niche?
- 22 brands and 25 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in pregnant halloween costume?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 6.6% — above our launch gate.
- When does demand for pregnant halloween costume peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 278.7× the quietest.
- What does it cost to enter the pregnant halloween costume niche?
- Listings span $9.92–$69.02; the average listing price is $19.27 (sweet spot $15–$100). The average incumbent carries 2,069 reviews — the moat a new listing must climb.