hi, i m 25 years old, from last 8 months i m suffering with period delayed problems. last 8 months back my periods were delayed 2months and doctor suggest me to take regestrone tablets, after 5 days i got periods. after that 2 months i got my periods regularly, but now same problem 2 months delay, again doctor suggest the same. i m married. i took my pregnancy test also but its negative. plz tell me is that medicine is good or it gives any adaptation to my body. and also tell me perfect dose of that regesteron tablates daily