... her while ejaculating. She us on yaz birth control and I fear that when I took off the condom I might have gotten some semen in her still. If any, it would be a very small amount. She has her period in 2 days and I'm scared that I might have gotten her pregnant. I'm really scared and need help ASAP. should I take plan b? She was feeling a sick yesterday and had diarrhea but felt a lot better in the evening on the same day. I want to make sure she isn't pregnant