pregnancy ball
Worth a lookShows low returns (1.2%), but a deep review moat (4,997 avg reviews) keeps it on the watch list.
Returns
Great1.2%return rate — above 5% kills the launch gate
Competition
Great27%top-5 click share — an open shelf
Brand share
Good71%top-5 brand share — brands hold most of the demand
Market size
Good£377K£377K/yr · 891K searches
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Avg price
Good£11.99avg listing price — sweet spot $15–$100
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Price range
Okay£3.65–£21.73cheapest 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
Bad4,996.88avg incumbent reviews — the moat a new listing must climb
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
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.Peak months: Jul · busiest ÷ quietest = 1.6×
Top pregnancy ball search terms
- pregnancy ball203K/yr
- yoga ball177K/yr
- exercise ball149K/yr
- birthing ball109K/yr
- gym ball61K/yr
- birth ball24K/yr
- swiss ball24K/yr
- exercise balls for adults15K/yr
- birthing ball pregnancy19K/yr
- yoga ball pregnancy15K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Trideer Professional Exercise Ball & Yoga Ball Anti-Burst Heavy Duty Gym Ball for Fitness Pilates Core Workout & Office Chair Includes Pump
Trideer£14.304.6★19,821 rev
PhysKcal 55 cm Purple Gym Ball for Exercise with Exercise Sheet and Pump
PhysKcal£12.014.5★1,396 rev
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£21.074.2★18 rev
Core Balance Anti-Burst Gym Ball Teal 55cm
Core Balance£11.904.6★9,634 rev
nbf Birthing Ball with Pump and Pregnancy Instruction Guide 55cm 65cm 75cm Anti-Burst 65cm Pale Gold
nbf natural birth & fitness£15.284.7★2,447 rev
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£6.43523 rev
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£8.06523 rev
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£8.00523 rev
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£9.82523 rev
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£7.94523 rev
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£21.114.6★
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£9.824.3★
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£7.944.3★
PROIRON Extra Thick Exercise Ball 55cm 65cm 75cm Anti-Burst Gym Ball Swiss Ball with Pump for Yoga Pilates Fitness
PROIRON£11.574.6★
Core Balance Anti-Burst Gym Ball Black 65cm
Core Balance£12.714.6★
What buyers say about pregnancy ball
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“Easy to inflate”
“Good price”
“Just what I wanted”
“Nice to exercise with”
“Good size”
“Nice colour”
“Durable”
“comfortable”
“Does the job”
What buyers complain about
“Doesnt stay inflated”
“Too small”
“however makes me think that it was a return that was sent back out without proper quality checks”
“in the wrong colour”
“does go down quite quickly”
“becoming sticky to the touch”
“Waste of time”
“The product arrived with a large stain on the did”
“could have been a little cheaper”
“Bad material”
Top return reasons
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.