Me and my gf was dry humping..she was wearing a thin trousers and even i was wearing a trousers too..we both dry humpedd..in between i also rubbed my. Bare penis near her vagina although she was covered with a trousers and finally after sometime i cummed inside my trousers..at this moment also we both were covered..and i was top of her..my trousers got a patches..but when i felt it was like only moist type patches and was nit having any sperms in it...my gf usuallly have her periods 2 to 3 days earlier..but today was her day and she didn't got her periods yett...and we both are very paranoid and worried...she takes tablet of vit b 12...is pregnancy possible this way????..plz help...we are very worried..