okay me and my bf have an unprotected sex on 11/05.2013 before 4 days of my period acuatlly my pperiod date was 15/05/2013 but mine was dint cume.when we have sex my boys sperm touches the outside of my vagina but i wash out it ready m scared tat i would get preg plz help if i gt chances to get pregnant meanz plz tel me the natural way to terminate it .plz help