Unprotected sex can be very dangerous specially if you don't want to get
pregnant, chances of pregnancy are always there even if he cums out of vagina, even just a drop of semen can makes you pregnant, precum is generally prostatic fluid for lubrication but not always, some times semen is also mixed, you can take emergency Contraceptive pills if you are not sure and don't want to take any risk, if you are damn sure that not a single drop of semen is der then you can wait for your next periods, erection has nothing to do with pregnancy, even if penis is not erect and if a drop of semen is ejaculated then chances of pregnancy are there, always play a safe gane, always use Condoms, now adays you have Variety of Condoms, you will also be protected by
Std that is
sexually transmitted Disease.
Next Steps
Emergency Contraceptive pills can be take with in 72 hours of Un protected sex.
Health Tips
always use contraceptive, cheap and best methods are Condoms, you have ultra thin variety if you want to feel natural way.