Not in the real world they don't. See, this is how it works.
Women and Girls do not get pregnant if they do not allow a man or boy to [bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse] inside them.
Sex Ed 101. Guarantees 100% effective. No sex no pregnancy.