I'm 20 weeks pregnant with my second child and before I found out I was pregnant me and my baby daddy broke up and I ended up having a one night stand on January 29 of 2015 and ended up taking a plan b Friday evening January 30 2015 I basically uncertain who the father is cause the person I slept was the guy I took the plan B with I also slept with my baby daddy in January sometime too but I'm not sure I'm due to.have my baby October 19