Had m last period on 8th my menstual cycle is of 28 days i had unprotected sex on 19th. His penis didn't actually go inside but just a bit. I took unwanted72( contraceptive pill) after 68 hours. And now m feeling uneasy on 25th had vomit in mrng and feeling nausea. M i pergnant. This was first time for both. And acc to him he didn't ejaculate inside me. Help plz.. m worries