hello doctor, this is lakshmi . i'm having worms irritation. so i'm taking AF 150 TABLET. actually doctor gave me three types of tablet for a course. i finished my course. and then doctor adviced me to take AF 150 weekly once. now my problem is i missed my periods for 5days.i'm waiting to take pregnancy test. normally i'm having 25 days cycle. can i take this tablet? is it safe? but still i'm getting very less worms irritation. [in my prevoious history]8months before i had ectopic pregnancy .