https://www.webmd.com/sex/birth-control/extended-use-birth-control-overview
It doesn't need to be every month....
The creator only made the pill have a placebo week to allow the period to come in order to please the catholics
https://www.webmd.com/sex/birth-control/extended-use-birth-control-overview
It doesn't need to be every month....
The creator only made the pill have a placebo week to allow the period to come in order to please the catholics