Hello doctor,       My last period date was April 4th. I want my next period to get on or before April 25th. In the month of march I used Primolut-N for 3days and stoped to get early periods. But it didn't work. I got my period as usual for 28days. Generally I will get periods regularly for every month for 28days. So, please suggest me any other pill which effectively works to prepone my periods and the procedure to use it. Thanku, Regards Deepthi