Doctor I want to know that my gf took 2 unwanted 72 2 times in 4 days in aug 23 and 26 her period was due on 14 sep it didn't came till 5th October every hpt was negative she did took 1 norethisterone 10 mg tablet with evecare syrup nd microdox tablet she was having bleeding for five days 1st day very heavy then other 2 days heavy then last 2 days light with cramps and back pain on ist 3 days was it withdrawal bleeding or period did it confirm that she is no more pregnant as she has bleeding after 20 days from the missing period, I must mention it also she was having light bleeding for 3 to 4 days 2 days good 2 days very light after 5 days from the last unwanted pill.