---
title: "Pregnancy Ball — £377K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/sports-outdoors/pregnancy-ball"
last_updated: "2026-07-31T07:23:48.809Z"
locale: en
meta:
description: "Niche score 55/100 · £377K/yr market · 891K searches/yr. A deep review moat (4,997 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · £377K/yr market · 891K searches/yr. A deep review moat (4,997 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Pregnancy Ball — £377K/yr Amazon UK Niche (2026) - Flapen"
---
# **pregnancy ball**
**Worth a look**
Shows low returns (1.2%), but a deep review moat (4,997 avg reviews) keeps it on the watch list.
Market size 54Growth 25Conversion 44Competition 88Returns 90Price range 37Avg price 50Brand share 57Review moat 24Quality gap 50
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Competition**
**Great****27%**
top-5 click share — an open shelf
**Brand share**
**Good****71%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****£377K**
£377K/yr · 891K searches
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£11.99**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****3.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****£3.65–£21.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-0.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,996.88**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United Kingdom niche tracking, pregnancy ball is a £377K/yr Amazon United Kingdom market (891K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jul. Verdict: Worth a look — 55/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **pregnancy ball market data**
- **Units sold / yr**
- **25K–30K**
- avg 250–500/product
- **Revenue / yr**
- **£300K–£360K**
- units × avg price
- **Conversion rate**
- **3.5%**
- **Avg BSR**
- **#18**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **94%**
- **Out of stock**
- **12.8%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **184 days**
## **Competition & brand share**
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.
**Brands**
**14 **▼falling
**Sellers**
**22**
**Top-5 brand share**
**71%**
Top 20: 100%
**Top-5 click share**
**27%**
Top 20: 69%
**Open market**
**23%**
- KAYMAN18% - Core Balance15% - BABYGO15% - Trideer13% - PhysKcal11% - ZHIYE6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -0.5% search growth over the last 90 days.
20K15KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/sports-outdoors/pregnancy-ball/trend)
## **Top pregnancy ball search terms**
- **pregnancy ball**203K/yr+1.1%3.1% conv. - **yoga ball**177K/yr-0.4%2.4% conv. - **exercise ball**149K/yr-6.5%2.2% conv. - **birthing ball**109K/yr+6.3%2.9% conv. - **gym ball**61K/yr-13.1%2.3% conv. - **birth ball**24K/yr+17.2%2.7% conv. - **swiss ball**24K/yr-3.6%2.6% conv. - **exercise balls for adults**15K/yr+18.6%2.0% conv. - **birthing ball pregnancy**19K/yr+5.2%3.0% conv. - **yoga ball pregnancy**15K/yr-11.7%3.5% conv. [**All search terms **](https://flapen.com/research/uk/sports-outdoors/pregnancy-ball/search-terms)
## **Top pregnancy ball 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.
0%3%£11K6%£23K9%£34K12%£45K101001K10K100K 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**Trideer Professional Exercise Ball & Yoga Ball Anti-Burst Heavy Duty Gym Ball for Fitness Pilates Core Workout & Office Chair Includes Pump**Trideer**£14.30**4.6★19,821 rev](https://www.amazon.co.uk/dp/B01GE7F3TA) [2**PhysKcal 55 cm Purple Gym Ball for Exercise with Exercise Sheet and Pump**PhysKcal**£12.01**4.5★1,396 rev](https://www.amazon.co.uk/dp/B0B3MW1QT1) [3**BABYGO Birthing Ball For Pregnancy Maternity Labour & Yoga + Our 100 Page Pregnancy Book Exercise Birth & Recovery Plan Anti-Burst Eco Friendly Material (Sage 65cm - Standard)**BABYGO**£21.07**4.2★18 rev](https://www.amazon.co.uk/dp/B0F8J32KR5) [4**Core Balance Anti-Burst Gym Ball Teal 55cm**Core Balance**£11.90**4.6★9,634 rev](https://www.amazon.co.uk/dp/B07R61Z2PG) [5**nbf Birthing Ball with Pump and Pregnancy Instruction Guide 55cm 65cm 75cm Anti-Burst 65cm Pale Gold**nbf natural birth & fitness**£15.28**4.7★2,447 rev](https://www.amazon.co.uk/dp/B00769SJNI)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**KAYMAN Exercise Ball - Anti-Burst System Non-Slip Rings Durable Material Easy to Inflate Perfect for Yoga Pilates Fitness Balance Training Gym and Home Workouts (Charcoal Storm 55cm)**KAYMAN**£6.43**523 rev8mo ago](https://www.amazon.co.uk/dp/B0FZVD2PS8) [**KAYMAN Exercise Ball - Anti-Burst System Non-Slip Rings Durable Material Easy to Inflate Perfect for Yoga Pilates Fitness Balance Training Gym and Home Workouts (Lavender Mist 65cm)**KAYMAN**£8.06**523 rev8mo ago](https://www.amazon.co.uk/dp/B0FZVL3YQJ) [**KAYMAN Exercise Ball - Anti-Burst System Non-Slip Rings Durable Material Easy to Inflate Perfect for Yoga Pilates Fitness Balance Training Gym and Home Workouts (Rose Quartz 65cm)**KAYMAN**£8.00**523 rev8mo ago](https://www.amazon.co.uk/dp/B0FZVHGJPV) [**KAYMAN Exercise Ball - Anti-Burst System Non-Slip Rings Durable Material Easy to Inflate Perfect for Yoga Pilates Fitness Balance Training Gym and Home Workouts (Rose Quartz 75cm)**KAYMAN**£9.82**523 rev8mo ago](https://www.amazon.co.uk/dp/B0FZVVXD5Z) [**KAYMAN Exercise Ball - Anti-Burst System Non-Slip Rings Durable Material Easy to Inflate Perfect for Yoga Pilates Fitness Balance Training Gym and Home Workouts (Ocean Haze 65cm)**KAYMAN**£7.94**523 rev8mo ago](https://www.amazon.co.uk/dp/B0FZVPV6WR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BABYGO Birthing Ball For Pregnancy Maternity Labour & Yoga + Our 100 Page Pregnancy Book Exercise Birth & Recovery Plan Anti-Burst Eco Friendly Material (Lavender 65cm - Standard)**BABYGO**£21.11**4.6★**▲ 65%**](https://www.amazon.co.uk/dp/B0F8J5PJZ8) [**KAYMAN Exercise Ball - Anti-Burst System Non-Slip Rings Durable Material Easy to Inflate Perfect for Yoga Pilates Fitness Balance Training Gym and Home Workouts (Rose Quartz 75cm)**KAYMAN**£9.82**4.3★**▲ 59%**](https://www.amazon.co.uk/dp/B0FZVVXD5Z) [**KAYMAN Exercise Ball - Anti-Burst System Non-Slip Rings Durable Material Easy to Inflate Perfect for Yoga Pilates Fitness Balance Training Gym and Home Workouts (Ocean Haze 65cm)**KAYMAN**£7.94**4.3★**▲ 58%**](https://www.amazon.co.uk/dp/B0FZVPV6WR) [**PROIRON Extra Thick Exercise Ball 55cm 65cm 75cm Anti-Burst Gym Ball Swiss Ball with Pump for Yoga Pilates Fitness**PROIRON**£11.57**4.6★**▲ 53%**](https://www.amazon.co.uk/dp/B07T5B2MZ1) [**Core Balance Anti-Burst Gym Ball Black 65cm**Core Balance**£12.71**4.6★**▲ 51%**](https://www.amazon.co.uk/dp/B07R72CML3)
**~~View all trending →~~**
## **What buyers say about pregnancy ball**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**27%
*“Good quality”*
**Inflation/Deflation**13%
*“Easy to inflate”*
**Value For Money**11%
*“Good price”*
**Advertised Vs Actual Product**9%
*“Just what I wanted”*
**Exercise/Sports Suitability**8%
*“Nice to exercise with”*
**Size-Overall**7%
*“Good size”*
**Color**3%
*“Nice colour”*
**Durability**3%
*“Durable”*
**Comfort-Overall**2%
*“comfortable”*
**Efficiency**2%
*“Does the job”*
### **What buyers complain about **
**Inflation/Deflation**21%
*“Doesnt stay inflated”*
**Size-Overall**17%
*“Too small”*
**Quality-Overall**15%
*“however makes me think that it was a return that was sent back out without proper quality checks”*
**Color**9%
*“in the wrong colour”*
**Durability**5%
*“does go down quite quickly”*
**Adhesion/Stickiness**3%
*“becoming sticky to the touch”*
**Natural Resource Wastage**2%
*“Waste of time”*
**Stain Resistance**2%
*“The product arrived with a large stain on the did”*
**Value For Money**2%
*“could have been a little cheaper”*
**Material Quality**1%
*“Bad material”*
### **Top return reasons **
**Size-Overall**78%
**Inflation/Deflation**6%
**Color**3%
**Advertised Vs Actual Product**2%
**Quality-Overall**1%
**Functionality-Overall**1%
**Product Condition**1%
**Defective Material/Parts**1%
**Value For Money**1%
**Leak-Proof**1%
## **Common questions**
- **Is pregnancy ball profitable to sell on Amazon United Kingdom?**
- The niche generates £377K/yr across 52 tracked products. 7 of 10 products launched in the last 360 days are still selling. 90-day search growth is -0.5%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the pregnancy ball niche?**
- 14 brands and 22 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 71% of demand.
- **What do buyers complain about in pregnancy ball?**
- Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Quality-Overall. The return rate is 1.2%.
- **When does demand for pregnancy ball peak?**
- Demand peaks in Jul; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the pregnancy ball niche?**
- Listings span £3.65–£21.73; the average listing price is £11.99 (sweet spot $15–$100). The average incumbent carries 4,997 reviews — the moat a new listing must climb.
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