Hi.i had bleeding for 3 days (23-25)October I took ipill the week ?before.5-6 days after bleeding we had sex and he ejaculated inside.i have been having sore breast since that till now it makes 3 weeks.we had been having sex using the pull out method.on Friday 17th we had sex and I believe he ejaculated inside even if not fully.i have been having light cramping and little to no discharge this past week.i tested and it was negative and I was told to wait for more weeks.can that be pregnancy?