 [ Symptoms ] i had unprotected sex and the next day i got my period can i still get pregnant  the day before i had sex i started spotting veeery light and getting cramps then the next day i had unprotected sex the day after i had sex i got my period [ Disease ] it is very unlikely that you are pregnant if your period started the day after having unprotected intercourse i am assuming that it was time for your period to start and that you have regular periods if you have a normal 28 day cycle you are most likely to become pregnant when you have unprotected intercourse approximately 2 weeks before you anticipate your period to start