生育意識
参考資料

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↑  Green, Joel B. . Baker Books. 1 November 2011: 303. ISBN 9781441239983 （英语）. In 1968, Paul VI reiterated the traditional Catholic prohibition against all but "natural family planning" (abstinence during fertile periods), which many Catholics and some Protestants continue to practice.
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↑  Kippley (2003), p.101 sidebar and Weschler (2002), p.125
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↑  Kippley (2003), pp.110-111
↑  Kippley (2003), pp.112-113
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↑  Moral Questions Affecting Married Life: Addresses given October 29, 1951 to the Italian Catholic Union of midwives 的存檔，存档日期December 6, 2010，. and November 26, 1951, to the National Congress of the Family Front and the Association of Large Families, National Catholic Welfare Conference, Washington, DC.
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↑  Singer (2004), p.xxiii
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↑  Weschler (2002)
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