Well doc told me I will be having to start taking the P17 Next week ( every week) until I'm 36…

Well doc told me I will be having to start taking the P17 Next week ( every week) until I'm 36 weeks. I had to take them with my son and he will be 4 in August. The reason they put me on them, because I started early labor with my baby girl Karley 4/20/11 at 20 weeks. R.I.P. baby girl.