HELLO TABLET PRIMOLUTE START THREE DAYS BEFORE YOU DUE DATE WITHOUT ANY MISTAKES. AT THE SAME TIME EVERY DAY. TILL YOU WANT NO PERIOD, WHEN YOU WANT STOP THAT DAY. PERIOD STARTS WITHIN TWO DAYS. IT CAN BE TAKEN BY UNMARRIED WOMEN. DELVED PERIOD, SCANTY/PROLONGED PERIOD, HEAVY BLIDING, IRREGULAR PERIOD MAY OCCURS AS SIDE EFFECTS. NAUSEA AND VOMITING MAY ALSO OCCUR IT IS COSTLY TOO. YOU CAN TAKE MALA. D, OR.SAHELI THEY ARE ALSO WORK BUT SIDE EFFECTS ARE MUCH MORE. O.K, BYE.