Lost My Virginity W/My Bf , Unprotected Sex , 17 Years Old . Week Later Received So What Called My Period , But It Wasent Regular More Like Spotting , but (Brown) Lasted for 2days Only An My Period Lasts 4Days. Nervous Took a Pregnacy Test Came Out Negative , But IFEEL Like I TOOK It To Soon ,Waited 1 more weeks an Negative Again But Received My Period Again Not Even A Month An It Wasent Regular Either , Lasted only 2days , An It Wasent Heavy . What's So Ever Haven't Taken Another Pregnacy Test . But Been Receiveing Cramps. What Should I Do ?