Pay sales tax with the Retail Sales Tax Return For Occasional Sales (DR 0100A) on the tangible personal property included in the purchase of the business by the 20th day of the month following the sale.
So, to avoid pregnancy she has to better avoid unprotected sexual intercourse in this period. The rest of the days i.e., starting from menstruation to the 10th day and again from 21st day up to menstruation are the safe days or the safe period to avoid pregnancy.
Many women wonder how to avoid pregnancy, given their menstrual cycles and fertile times. It is important to begin by knowing how your cycles work. The menstrual cycle is the time from the first day of your period to the first day of your next period; for most women, that is about 28 days. About 12-14 days before your period begins, you are most fertile. This is when you ovulate, or release an egg. This is when you are most likely to become pregnant. So when is the safe time to have sex?