When is my fertile window?

I have a regular 28 day cycle. My last period was January 30 and lasts about four days . We had sex Saturday night we’ll technically it was Sunday morning so February 9/10 and today February 11 I have the signs of ovulation such as the discharge the fullness in belly/ cramping - however my chart doesn’t say I’ll ovulate until the 13. Did I have sex in the fertile window or does it have to be the day of ovulation ? Thank you !


Your fertile window are the few days leading up to ovulation with the ovulation day being your last fertile day

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You’re fertile a few days before and still chance 2 to 3 days after ovulation as sperm lives for up to 5 days.

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