When is my ovulation day?
Cycle length varies, and so does ovulation. Learn how to pinpoint your ovulation day.
From the Babyndex blog
Fertility, ovulation and the saliva fern test
Our most-read articles.
When is a woman the most fertile?
The fertile window is short — and the days before ovulation matter most.
Home ovulation tests: regular vs irregular cycles
How LH strips, basal body temperature, and saliva tests compare — and which works best for regular vs irregular cycles.
How to use Babyndex for ovulation prediction
A short walkthrough of the daily saliva test and how the app reads the pattern.
Interpreting the saliva fern test
What dots, lines, and full ferns mean — and how the app removes the guesswork.