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Advanced maternal age

Obstetrics, Gynaecology & Reproductive Medicine, 2011
Abstract Delayed childbearing is a growing trend in developed countries. Between 1989 and 2009, the number of live births to UK women over 40 almost trebled. This accelerating demographic shift is of major clinical and public health concern, because advanced maternal age has consistently been associated with adverse pregnancy outcomes.
Mills, Tracey A., Lavender, Tina
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Maternal age in trisomy

Annals of Human Genetics, 1988
SummaryBy comparison with a more general theory, data on trisomy in live births, amniocenteses, and spontaneous abortions by year of maternal age are shown to fit a logistic augmented by a proportion independent of maternal age. The frequency of trisomy increases monotonically, with no discrepancy at extremely low or high maternal age.
Newton E. Morton   +3 more
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Decreased maternal age with hydranencephaly

American Journal of Medical Genetics, 1997
We studied parental ages of institutionalized children with hydranencephaly. Mothers under age 20 years and under age 18 years were, respectively, 5 and 10 times as frequent as in the general population, and 3 and 4 times more frequent than for institutionalized control patients.
Mark S. Lubinsky   +2 more
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Maternal Age and Autistic Children

Journal of Developmental & Behavioral Pediatrics, 1984
Maternal age was examined in 52 autistic children. Two matched control groups were also investigated. Both were matched with the autistic group on age, sex, and birth order. In addition, the first control group was matched with the autistic group according to IQ, while the second control group was composed of normally intelligent children and matched ...
Steinhausen, H. C.   +3 more
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