question: hi! im to undergo an IVF procedure this march 24th. so i was given regestron tablet for 6 days, twice a day 5mg each from 1st to 6th. till now i didn t get my periods. i get my periods regularly in 28 to 30 days gendrally. is there a posibility for pregnancy... plz help. my last periods was on feb 8th which occured after 2 day after stopping the 6day regestron