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Pregnancy over the age of 50 has become possible for more women due to advances in assisted reproductive technology, in particular egg donation. Typically, a woman's fecundity ends with menopause, which, by definition, is 12 consecutive months without having had any menstrual flow at all. During perimenopause, the menstrual cycle and the periods become irregular and eventually stop altogether. The female biological clock can vary greatly from woman to woman. A woman's individual level of fertility can be tested through a variety of methods.[1]
In the United States, between 1997 and 1999, 539 births were reported among mothers over age 50 (four per 100,000 births), with 194 being over 55.[2]
The oldest recorded mother to date to conceive was 74 years. According to statistics from the Human Fertilisation and Embryology Authority, in the UK more than 20 babies are born to women over age 50 per year through in vitro fertilization with the use of donor oocytes (eggs).[3]
Maria del Carmen Bousada de Lara formerly held the record of oldest verified mother; she was aged 66 years 358 days when she gave birth to twins, 130 days older than Adriana Iliescu, who gave birth in 2005 to a baby girl. In both cases, the children were conceived through IVF with donor eggs.[4] The oldest verified mother to conceive naturally (listed currently as of 26 January 2017[update] in the Guinness Records[5]) is Dawn Brooke (Guernsey); she conceived a son at the age of 59 in 1997.[6]
Erramatti Mangamma currently holds the record for being the oldest living mother who gave birth at the age of 73 through in-vitro fertilisation via caesarean section in the city of Hyderabad, India. She delivered twin baby girls, making her also the oldest mother to give birth to twins.[7]
The previous record for being the oldest living mother was held by Daljinder Kaur Gill from Amritsar, India, who gave birth to a baby boy at age 72 through in-vitro fertilisation.
^"Access required?". Essentialparent.com. Retrieved 3 May 2022.
^Salihu, H; Shumpert, MN; Slay, M; Kirby, RS; Alexander, GR (November 2003). "Childbearing beyond maternal age 50 and fetal outcomes in the United States". Obstetrics & Gynecology. 102 (5): 1006–1014. doi:10.1016/s0029-7844(03)00739-7. PMID 14672478. S2CID 20499725.
^Hall, Sarah (2006-05-08). "Surge in number of children in UK born to mothers over 50". The Guardian. Retrieved 2007-03-29.
^"Health | World's oldest mother dies at 69". BBC News. 2009-07-15. Retrieved 2012-11-08.
^"Oldest mother to conceive naturally". Guinnessworldrecords.com. 1997-08-20. Retrieved 2012-11-08.
^Borland, Sophie (2007-09-09). "World's oldest mother 'thought it was cancer'".
^"74-year-old Andhra woman delivers twin girls, may be the oldest ever to give birth". timesnownews.com. 5 September 2019. Retrieved 2019-09-06.
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