From Longman Dictionary of Contemporary Englishnatural childbirthˌnatural ˈchildbirth noun [uncountable] MBa method of giving birth to a baby in which a woman chooses not to be given drugs to reduce the pain
Examples from the Corpus
natural childbirth• I shall go to antenatal classes where I shall nourish my obsession for natural childbirth. 3.• She is organizing a conference on natural childbirth.