Editing Humanae vitae (section)

===Origins===
{{See also|Christian views on contraception}}
There had been a long-standing general Christian prohibition on contraception and abortion, with such [[Church Father]]s as [[Clement of Alexandria]] and [[Augustine of Hippo|Saint Augustine]] condemning the practices.{{citation needed|date=December 2022}} It was not until the 1930 [[Lambeth Conference]] that the [[Anglican Communion]] allowed for contraception in limited circumstances. [[Mainline (Protestant)|Mainline]] [[Protestant]] denominations have since removed prohibitions against artificial contraception.<ref name="flann">{{cite journal|author=Campbell, Flann|title=Birth Control and the Christian Churches|journal=Population Studies|date=November 1960|volume=14|issue=2|pages=131–147|doi=10.2307/2172010|jstor=2172010}}</ref> In a partial reaction, [[Pope Pius XI]] wrote the encyclical {{lang|la|[[Casti connubii]]}} (''On Christian Marriage'') in 1930, reaffirming the Catholic Church's belief in various traditional Christian teachings on marriage and sexuality, including the prohibition of artificial birth control even within marriage. {{lang|la|Casti connubii}} is against [[contraception]] and regarding [[natural family planning]] allowed married couples to use their nuptial rights "in the proper manner" when because of either time or defects, new life could not be brought forth.<ref name=HV/>