The action of giving birth to young; childbirth.

see Traumatic parturitional intracranial hemorrhage.

A history of three or more deliveries and an age at first delivery younger than 23 years were associated with increased risk of open-angle glaucoma (OAG) . These results suggest that changes or events during the period from pregnancy to delivery affect the development of glaucoma 1).

1)
Lee JY, Kim JM, Kim SH, Kim IT, Kim HT, Chung PW, Bae JH, Won YS, Lee MY, Park KH; Epidemiologic Survey Committee of the Korean Ophthalmological Society. Associations among Pregnancy, Parturition, and Open-angle Glaucoma: Korea National Health and Nutrition Examination Survey 2010-2011. J Glaucoma. 2018 Oct 8. doi: 10.1097/IJG.0000000000001101. [Epub ahead of print] PubMed PMID: 30300305.