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.
3.Mark the 15th day with a pen. 4.Mark 3 days before the 15th day. 5.Mark 3 days after the 15th day. 6.you will notice you have 7 days marked.these 7 days are your ovulation/fertile days also known as unsafe period.meaning if you have sex on any of these days then you have 98% chances of being pregnant.