Re: 请教birth control pill的原理?# Medicine - 求医问药
z*u
1 楼
you must have taken the one commonly used pills - combination pills. if you
take Progestin-only pills, you have to take it every day.
Birth control pills, also called oral contraceptives (OCs), come in two forms:
the combined OC, a combination of two synthetic hormones, estrogen and
progestin; and, the minipill, which consists solely of progestin. Combined OCs
are more commonly used, though both kinds are available through health care
providers. The combination pill prevents ovulation by suppres
take Progestin-only pills, you have to take it every day.
Birth control pills, also called oral contraceptives (OCs), come in two forms:
the combined OC, a combination of two synthetic hormones, estrogen and
progestin; and, the minipill, which consists solely of progestin. Combined OCs
are more commonly used, though both kinds are available through health care
providers. The combination pill prevents ovulation by suppres