1 to 6 days bleeding days. ( Avoid sex) no chance for pregnancy7 to 11 days safe sex period no chance for pregnancy12to 21st day possible for pregnancy 22 to 28 or 29 safe sex period no chance for pregnancy
With pills/shot/ring/patch/etc you are 99% protected.Which means ANY time you have sex you can get pregnant.Sure it is minimal, but it can and does happen, even taking them exactly as prescribed.