i was prescribed regestrone (02 tablets each for 05 days) by my gync. to regularise my periods after my urine test was negative. but never got my periods even after a month of taking this tablets. i've been taking duphastone 02 tablets each for 5 and its' been 2 days now after my last pill yet i havn't got my periods. did a pregnancy home test today and it turned out negative. how long does it take for periods to come after taking the last dose of duphastone. my ultrsound test reveal everything is normal with me. no cycst or folliciles. is there anything else that i can take to get my periods. i had my last periods in march and never got after that. i am trying to conceive and have intercourse almost every day. geting frustrated day by day, don't know what to do ? please help.