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Yeniel, AO; Petri, E (January 2014). "Pregnancy, childbirth, and sexual function: perceptions and facts". International Urogynecology Journal25 (1): 5–14. doi:10.1007/s00192-013-2118-7. பப்மெட்:23812577.
"Pregnancy Labor and Birth". Office on Women’s Health, U.S. Department of Health and Human Services. 1 February 2017. Archived from the original on 28 July 2017. Retrieved 15 July 2017.
"Safe Prevention of the Primary Cesarean Delivery". American Congress of Obstetricians and Gynecologists and the Society for Maternal-Fetal Medicine. March 2014. Archived from the original on 2 March 2014. Retrieved 20 February 2014.
"Pregnancy Labor and Birth". Office on Women’s Health, U.S. Department of Health and Human Services. 1 February 2017. Archived from the original on 28 July 2017. Retrieved 15 July 2017.