hey.. i'm 20.... am suppossed 2 get my periods soon.....i had sex yesterday.... he had precum on him and he kept pressin his penis against my vagina superficially....the precum was spread on his penis... it mit hav dried up also... then i was touchin his penis and my hand also went on my vagina superficailly..... everythin was superficial.....can i get pregnant??? plz plaz help...i'm really really worried!!!