Hi, my girlfriend s 1st day of menstruation was on apr 22 and we had our sex on last may 4 i came in and i know it was not safe... somebody told me about nordette (light orange pill),. but i bought the white pill,. according to the internet,. light orange pill must be taken 4pills per intake on the first dose and another dose for 12hours interval... but what is the right dosage for the white pill nordette *Pfizer brand...