My friend needs help please

Stephanie • Married Mother of 2 boys &Soon a little girl.Team Duran. <3

Ok so this is for s friend shes pregnant her ex is really mean and one night he smacked her and she left she said a week later her and one of her good friends ended up having sex but he pulled out thet didnt even finish she said he was getting into it and when he was going to bust she stopped him and they didn't finish so the guy went home with blue balls . She said A week after her ex and her ended up getting back together her and her good friend aren't friends because of this but now shes pregnant shes 3 months shes asking if its possible it could be her ex friend now

How many women have gotten pregnant like this i told her to just wait till the babys born and see if its her mans or not but she wants to see if anyone has gone through this