I have did sex 18 th feb,2017...then on around 5march I took pregnancy test at home twice both of them are negative and then I got my period on time...and my mentrual cycle is normal like as before... But I feel like some spasm around my naval...it looks like a beating heart...and my belly come outsidee........I dont know it is a baby bump or fat...now I fell lower abdomin pain and back pain...I just wanted to know thatis iam preganant..??I am really scared plzz help me!!