Me n ma gl frnd had safe sex on 20th of this month ,she had some period prblm lyk some time period happens twice in a month so she consult doctor n treatment is going ,her period date s today still she didn't get period ,pls tel me y she didn't period ,whether there s possibility of pregnency,she don't want pregnency ,tel docotor now wat l we do and this late period because treatment or what v confused gv suggestion