Last menstrual Period 21st oct 28th oct no intercourse only rubbing of vagina over penis was there. Partner sure of no ejaculation. Was worried so took Emergency Ipill within 48hours on 30th oct. I'm tensed about pregnancy. I'm adviced to take regestrone 5mg tablet 3 times a day for 3 days . Should i take it ? And will i get my periods if no pregnancy is there ? I'm very tensed so need surety at the earliest .