Me and 2 of my other friends all had sex around the same time with our long term boyfriends; also we are all seniors in high school and have been accepted into 4 year colleges

friend 1 had sex with a friend and now she thinks she pregnant I mean now her period is on, but it was still a day or two late and they say u can still have a period, her boyfriend goes with someone else she�s girlfriend number 2 and her boyfriend has no job and still is in school what should she do

friend 2 father is a preacher and mother is a single mom and her sister just had a kid and her stepmom is a sex ed teacher and she has been dating her boyfriend for a bout a month now and her mother does not like him, also he is controlling and emotionally abusive to her. but at times he says the most amazing things to her and he says he wants to be there if she is pregnant but at times he acts crazy he has no job but some apparent reason he gets money he does not sell drugs he does not smoke or drink and he has never went to jail also she is all over his MySpace and talks to him frequently but she thinks he is still cheating what should she do

friend 3 has been dating her boyfriend for 8 months but he rarely ever calls or sees her, she told him she might be pregnant and he have not even called her back and its been 3 days now also he has 15 year old sister is having a baby, also he is never at home and does not have a job and might possible be cheating what should she do