sir,i just wanted to know me and my husband had a sex last night, and by mistake he ejaculated inside. and i have completed my periods 2 days before only.is there chances of getting pregnent?how to stop this if so? i have taken postpone-72 after 11 hours means in the morning?then also is there chance? my periods due date is 18 april.till date time i have to wait. to know that i am pregnent or not.please tell me