I masturbated in my bathroom and I don't remember clearly if I had washed my hands or not. Then I touched many things (packets, cupboard, door, bottle) and then after 10 minutes I met my girlfriend. I fingered her not directly but I rubbed her through her panties. I did not insert my fingers in her vagina, just rubbed the upper area from outside her panties. Now she has missed her periods and is like 3 weeks late. Though she has very irregular periods, can she be pregnant by this act? Please help.