Why the window opens early
Ovulation usually happens 10 to 16 days before your next period — not necessarily mid-month. And sperm can survive in the fallopian tubes for up to 7 days. Which means sex a few days before ovulation can still lead to pregnancy.
What to know
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1
The app's ring shows the days with the best chance. Not every day that's theoretically possible — sperm can outlast the ring.
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2
The dates are estimates. They're built from your own cycles and get sharper with every entry, but no app can guarantee the exact day of ovulation.
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3
This is not a substitute for contraception. If your goal is avoiding pregnancy, this is a prediction, not a method of contraception.
Sources
Health information, not medical advice, diagnosis or treatment. For your own symptoms, talk to a doctor.
Your cycle, honestly.
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