I am a 21 year old guy, me and my girlfriend were engaged in dry humping, and i ejaculated on her vaginal area, she was wearing 3 layers i.e pants and 2 more layers, i had nothing on, she washed it off as soon as i ejaculated,it was her 2nd day of periods but she missed it, this missed period is getting us worried, what does it mean? My girlfriend is aged 22.please reply asap