last month i hhad my periods on 8th feb and had sex on 15 th feb. 2 days after my periods ended. though it was a protected sex with a condom used as a precaution but it got break and the ejacultion spread out on my stomach not on my vaigina it was nt der. this month i had periods on 6 th march ..mns on propee time but only for 4 days nd with nt a heavy flow on the last 2 days....ninstead i use it hv periods for 6 days ....nd nnw i am worried abt dat m i pregnant pl....help me ..nd ans dis.....is it normal or not