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.
Today is a largely safe day. It's less risky to have an operation than tomorrow or at the weekend. A little bit dodgy on the roads compared with, say, Tuesday, but again much safer than Friday. And best of all it's a great day to have sex, since cortisol levels are at their peak.