One month bak i hav a sex wit my gf, it wz aftr 5 days of her periods.., i didnt use any of the protection though i hav juz inserted once and took it out... Does tis make her pregnant? Even i wiped of precum nd inserted only once,  Tis happened on feb 11, her period wz ended b4 5 days .., its almost a month.., she should hav her regular routine by feb 21 but today's date is march 2, still nw she doesnt had her periods... She s suffering frm irregular in periods... Now i am tensed tat if she is pregnant please help me, v did pregnancy test using sugar at hme it wz negative... Her age is 21 nd i am 23!