I hve take ipill within 24 hours of unprotected sex. My age is 17. Wht is the chnces of getting pregnant..pls help...and I don't knw..semen is getting in it or not.. i'm truly very nervous cz my Age is 17...and the ipill name is clear 72...is that OK? Cz the composition is same.." And I read that 20%failure causes..I'm rly tensed..plz hlp