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Maternal Age and Births in the 1980s
JAMA: The Journal of the American Medical Association, 1982Projections from the US Bureau of the Census show that as the large "baby boom" cohort ages in the 1980s, the percentage of births to women 35 years or older will increase by 37%, while the percentage of births to teenaged women, the small post-baby-boom cohort, will decrease by 32%. Between 1980 and 1990, for women aged 35 to 44 years, fertility rates
Godfrey P. Oakley +2 more
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Maternal age and traits in offspring
Nature, 2000The timing of a mouse's first litter influences the development of her pups. We have investigated the effect of the age at first pregnancy in mice on maternal steroid hormone levels and how these influence the growth and sexual maturation of their pups.
Ming-Hseng Wang, Frederick S. vom Saal
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Alzheimer's Disease and Maternal Age
Journal of the American Geriatrics Society, 1982Findings from several studies suggest a relationship between Alzheimer's disease and0020Down's syndrome. It has long been known that advanced maternal age is a risk factor for Down's syndrome, and that mothers who give birth to a child with this syndrome have characteristics consistent with accelerated aging.
James B. Leverenz +5 more
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Maternal age-specific drivers of severe maternal morbidity
American Journal of Obstetrics & Gynecology MFM, 2022The maternal age influences the risk of adverse pregnancy outcomes, including severe maternal morbidity. However, the leading drivers of severe maternal morbidity may differ between the maternal age groups.To compare the contribution of different risk factors to the risk of severe maternal morbidity between various maternal age groups and estimate ...
Rebecca C. Carr +3 more
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Maternal Age and Children's Ability
Perceptual and Motor Skills, 1978Associations of maternal age at birth and subsequent intelligence test scores of children were examined in a series of over 1500 young men from the Netherlands. All subjects were members of 2-child families and were resident in Amsterdam at age 19 yr.
Zena Stein +2 more
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Reproduction at an advanced maternal age and maternal health
Fertility and Sterility, 2015Advanced age is a risk factor for female infertility, pregnancy loss, fetal anomalies, stillbirth, and obstetric complications. These concerns are based on centuries-old observations, yet women are delaying childbearing to pursue educational and career goals in greater numbers than ever before.
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Maternal Age and Parental Loss
British Journal of Psychiatry, 1968Maternal age at parturition, birth order, and parental loss have all been extensively investigated as possible causal or concomitant factors in a wide variety of mental disorders. Thus, to take an extreme example, the influence of maternal age on one of the two main kinds of mongolism is well known and can hardly have other than a biological ...
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Down's Syndrome and Maternal Age
Nature, 1969THE risk of producing offspring with mongolism (Down's syndrome) increases abruptly with maternal age after the age of 30. German1 argued that a decreasing frequency of coitus with age, and an increase in the average interval between the follicular release and the fertilization of the female germ cell, might account for the observed age dependence.
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Maternal age and duration of labor
Acta Obstetricia et Gynecologica Scandinavica, 1994The computerized records of a population of 7214 women who were delivered during the period 1987‐1991 were analysed. We studied the possible relationship of the duration of the first and second stages of labor to maternal age. In para 0, para 1 and para 2+ mothers we found an independent positive correlation between the second stage duration and ...
Leif Bungum And +2 more
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Maternal age and infantile autism
Journal of Autism and Developmental Disorders, 1980In a total population survey of childhood psychosis in the region of Göteborg, 20 children (2 in every 10,000) fulfilled the diagnostic criteria for infantile autism formulated by Rutter. There was a male preponderance with 15 boys and 5 girls. Eighty-five percent of the mothers were older than average. Mean maternal age in the autistic sample was 30.7
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