I took my Plan B one step 2 days after sexual intercourse (it was my first time and the condom broke and I'm 16 years old), I only had 1 pill I am 132 pounds and I'm scared because it's for people with more weight its been 4 hours since I took the pill, I had sexual intercourse after my discharge week and I think I'm getting my period soon, am I ok what should I do?? because I'm really scared.