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(LAM))也稱為母乳餵養期不孕法,是指在產婦生產後,若完全母乳餵養嬰兒,會有一段閉經的期間,也是一種避孕的方式。在沒有配合其他避孕方式(像保險套、殺精劑、激素避孕藥(英语:Hormonal contraception)或是子宮環等)的情形下,母乳餵養期不孕法是天主教認可的自然家庭計劃(英语:natural family planning)方式。
generation pills. Hatcher & Nelson. Combined HormonalContraceptive Methods. Hatcher, Robert D. (编). Contraceptive technology 18th. New York: Ardent Media
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