Hello i have a weird situation with my girlfriend, on 5th may we had some fun and got to dry sex, i havent penetrated her nor cummed, my penis got once for 2 seconds on her vagina but had only a litle precum , no has been almost a month she doesntt have a timetabled period, she has period whenever it comes. her last period was with one week before we had fun it has been almost a month, and she didnt had period nor a sign of prgnancy, is she pregnant?