My gf is 24 i had sex with her but didnt ejacuate in her but then also to be at a safe side i gave unwanted72 before her periods then she had a relgular period..we had sex again after 10 days and then also i did not ejacuated in her but gave her unwanted72 to be at a safer side her period must have come on 29th dec 2016 but its 3rd January 2017 she did not had a period or bleeding, now what to do ?