Freeman W S
Am Fam Physician. 1978 Jan;17(1):143-9.
Most side effects of oral contraceptives can be attributed to an excess or a deficiency of estrogen or progestin. Knowledge of the relative amounts of estrogen and progestin in the available preparations permits a rational adjustment of dosage if side effects occur. With this information, nearly every woman who wants to use birth control pills can.
口服避孕药的大多数副作用可归因于雌激素或孕激素过量或不足。了解现有制剂中雌激素和孕激素的相对含量,若出现副作用,可据此合理调整剂量。有了这些信息,几乎每个想服用避孕药的女性都可以。