Many a time you hear things like , we did it only once or he just did it small and at the end off it all the girl is to bear the shame .
Intact she had lost in this game , what prevented you from getting a condom or using pills. For those that did biology in this there school days there are times when a girl can't get pregnant even if its an unprotected s*x
Read bellow few ways to avoid unwanted pregnancy.

Source