A menstrual cycle can be as short as 22 days or as long as 36 days. On average, a woman gets her period between 12 days and 14 days after she s ovulated. Women conceive during ovulation and ovulation occurs on day 14 of a 28 days cycle. During the period of bleeding, there is no chance of getting pregnant. Women conceive during fertile period i.e. day 12 to day 18 of the cycle. So relax, there is no chance of getting pregnant whether you have done penetrative or non-penetrative sex. Sex with HIV positive person without protection can cause HIV infection. If your partner is not HIV positive then there is no chance of HIV transmission or AIDS. Ask your partner to use condom during sex. It will provided protection from sexually transmitted infections. If your husband is educated and has knowledge of virginity then it is very easy to know to about the virginity of women. Repeated sex causes loss of hymen and enlargement of vaginal opening which can be easily deciphered by a knowledgeable person. Now a day, hymenoplasty is available in some selected centers to create false hymen. I hope this information will help you. I will be happy if you ask another question Thanks