question: i had taken 5 days course of primolut n because i have delayed period may be due to i had taken i pill 72 on my 6th day of last period. My weight is 57 and height is 5.3 and age is 25 . I completed this course 2 days back , i had taken pregnancy test before the course of tablets, i m waiting for mh period, and last night i have unprotected sex, what are the chances of pregnancy due to last night intercourse