Can Gynaset Be Used To Delay Periods?

Hi doc, I want to delay my periods for 5 days. My eearlier gynec prescribed primolut n and I have taken once for two days. My period is regular 27-28 days. Now i want to delay for 5 days and not getting primolut here. Can I use gynaset and what is the general dose for delaying period for 5 days? I m going to start 3 days before expected date.