Sex ratio and maternal age effect in nulliparous women receiving donor insemination

Bahadur, Gulam; Ling, Kun; Priya, S. Senthil; Davis, Colin J.; Wafa, R.; Ashraf, Ashfaq

doi:10.1016/s0015-0282(00)01648-4

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Diabetes1

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2008

2022

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Cited by 3 publications

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“…92 Sex Ratio There appears to be a shift toward female offspring with older maternal age from a male:female ratio of 1.25 for mothers aged 21 to 24.9 years to 0.72 in mothers aged 35 to 41 years. 93 That older women miscarry more male fetuses has been used to provide an explanation for this observation. 94 Alternatively, James suggested that maternal hormone concentrations around the time of conception play an essential role in determining the sex of the offspring.…”

Section: Diabetesmentioning

confidence: 99%

Advanced Maternal Age. Part I: Obstetric Complications

2008

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More women are postponing pregnancy into the fourth and fifth decades of life for a variety of reasons. Advanced maternal age, traditionally defined as age more than 35 years, has been associated with increased obstetric morbidity and interventions. In addition, perinatal complications are reported to be higher in this patient population, although recent data point to a more favorable outcome. This article reviews the available literature with special emphasis on antepartum, intrapartum, and postpartum complications and perinatal outcome.

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Section: Diabetesmentioning

confidence: 99%