I want to delay my periods because i want to attend my sister s marriage next month 9 & 10 th october but my periods due date is 7 or 8 Doctor advised me to take sandoz regestrone 5 mg 10 tablets Is this safe ?? How to use this tablet to get delaye my periods so i can enjoy my sister s marriage ?? When i have to start taking this tablet for delaying my periods nxt month ??