Can i take morning after pill if i had unprotected sex twice within the past three days?

Yes. Plan B is about 95% effective in preventing pregnancy it taken within 72 hours of sex. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex : https://www.hopkinsmedicine.org/health/wellness-and-prevention/safer-sex-guidelines Get HPV vaccine.

It may still be effective.