Fortis - International Patient

Ovulation Calculator

An ovulation calculator computes when you are likely to ovulate, hence increasing your chances of getting pregnant. Disclaimer: The values entered here will only be stored in the results page of your browser only. Your privacy is guaranteed. T&C’s apply.

Track Your Ovulation

Please enter the first day of your last period and how long your cycle usually lasts ie., 20-45 days. The calculator will approximately tell you when you're most likely to be fertile over the next six months.

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