1 jan 1956 ano - Pope Pius XII approved pain relief during childbirth

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https://link.springer.com/chapter/10.1007/978-1-4614-8441-7_62#:~:text=In%201847%2C%20Fanny%20Longfellow%2C%20the,approved%20pain%20relief%20during%20childbirth.

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