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Reproductive Medicine & Technology — Kindle Category Opportunity

Competition snapshot for the Medical eBooks best-seller list, ease-of-entry score 61.5/100.

MiddleSubcategoryStagnant

Category metrics

Score

61.5

Median reviews

33.5

Weak share (top 20)

55%

Median price

$9.97

Median star rating

4.6

Books scanned

50

Worth writing in?

Reproductive Medicine & Technology sits below our demand gate: 55% of the top 20 is under-reviewed, but overall reader activity is thin too. It can be a quiet corner to build in slowly — validate demand with keyword lookups before committing a series. Ease-of-entry score 61.5/100.

Breakout books — top 15, under 100 reviews, $0.99–4.99

Best-seller list on Amazon
#TitleStarReviewsPrice
4Countless Blessings: A History of Childbirth and Reproduction in the Sahel5.01$0.99
9Femdom Castration Party: Be My Happy Eunuch!4.046$2.99
15Getting Pregnant Faster: 29 Strategies For Faster Conception: Learn What Works & What Doesn't From a Woman Who Has Been There3.854$4.99
8Unsung Lullabies: Understanding and Coping with Infertility4.494$2.99

High-frequency phrases in this category's titles

Mine all categories

High-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.

PhraseTitlesRank-weighted score
egg quality3112
reproductive endocrinology266
managing polycystic251
polycystic ovary243
women health210

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Category scores show where entry is easiest; keyword lookups show whether readers actually reach for it. A free account includes keyword competition lookups plus unlimited category scans.

After you publish: why aren't readers buying?

Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.

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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.