Results 301 to 310 of about 10,926,372 (352)
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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.
M H, Wang, F S, vom Saal
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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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Advanced Maternal Age and the Impact on Maternal and Offspring Cardiovascular Health.
American Journal of Physiology. Heart and Circulatory Physiology, 2019Delaying pregnancy, which is on the rise, may increase the risk of cardiovascular disease in both women and their children. The physiological mechanisms that lead to these effects are not fully understood, but may involve inadequate adaptations of the ...
C. Cooke, S. Davidge
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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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Risk of Adverse Pregnancy Outcomes at Advanced Maternal Age.
Obstetrics and Gynecology, 2018OBJECTIVE To study the possible associations between advanced maternal age and risk of selected adverse pregnancy outcomes. METHODS The study used a nationwide cohort of 369,516 singleton pregnancies in Denmark followed from 11-14 weeks of gestation to
L. E. Frederiksen +6 more
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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 ...
S, Rasmussen, L, Bungum, K, Høie
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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.
D, Cohen, C, Eisdorfer, J, Leverenz
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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 Autistic Children
Journal of Developmental & Behavioral Pediatrics, 1984Maternal 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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Maternal Age in Familial Mongolism
Journal of Mental Science, 1951In recent years several writers have attempted to bring the known aetiological effect of maternal age in mongolism into direct relationship with its causation. Brousseau (1928) sifted the available data very carefully, but failed to come to any conclusion as to how maternal age could exert its effect.
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