 [ Symptoms ] unprotected sex on ov day in oct then got my p one day early this month my p is 4 days late could i be pregnant [ Disease ] hi having sex on ovulation day is not a good way to get pregnant it needs to be 3 to 4 days before so his sperm is there waiting for your egg if over the last cycle you have been stressed then this could be just one of a few to why your missing your period so have you been stressed if you think your pregnant then do go for a doctors test good luck