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What happens if my period is late do I count 28 days from where it should if started or when it actually did?

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Wiki User
May 23, 2017 4:29AM

Your counts starts on day 1 of your period until your next period. Not all women have a 28 day period. Mine was 35 days. The important thing is to know when you are ovulating and in a 28 day cycle that would be days 14-19. Good thing to keep in mind too is that sperm can live 5 days in the uterus. So, if you had unprotected sex on day 11 you could get pregnant on day 14 if you ovulate with the 28 day cycle.