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：故意停止月经是安全和可能的。60%的妇女在使用延长周期的联合荷尔蒙避孕药一年后会停止出血。50-60%的仅使用孕激素避孕药的人也是如此，50%的高剂量宫内节育器使用者，以及20-50%的低剂量宫内节育器使用者。