Hi. I'm taking combined cyclical hrt and have been for about three months. I should have a period at the beginning of every 28 day cycle of tablets. The first 16 red tablets contain estradiol (synthetic oestrogen )and the next 12 white tablets contain estrodiol and norethisterone (synthetic progesterone). I am going on hols at the beginning of my next packet and don't want to have a period. Question is: what would happen if instead of starting my new packet with the red tablets, I skip them and continue with the white ones for a week? Will I? a. Delay my period. b. Have a period that lasts two months c. Die a horrible death and wish I hadn't tried to play God in the first place........