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发帖数: 21 | 1 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 |
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