YSK: that it's safe and possible to stop having periods on purpose. 60% of women on extended cycle combined hormonal contraceptives for one year stop bleeding. same for 50-60% of users of Progestin only birth control, and for 50% of users of high dose IUDs, and 20-50% of low dose IUDs
from /r/YouShouldKnow
YSK：故意停止月經是安全和可能的。60%的婦女在使用延長週期的聯合荷爾蒙避孕藥一年後會停止出血。50-60%的僅使用孕激素避孕藥的人也是如此，50%的高劑量宮內節育器使用者，以及20-50%的低劑量宮內節育器使用者。