Delayed childbearing
3 papers6 findings
Outcomes
3Embryonic aneuploidy
upin humans1
1 study
Embryonic aneuploidy
upin humans1
Delayed childbearing increases embryonic aneuploidy in humans.
“embryonic aneuploidy, the most important cause of reduced fecundity in natural cycles, lower implantation rates in IVF treatments and higher miscarriage rates.”
Review
Delayed childbearing and its impact
Reproductive biomedicine online28 May 2026
Ovarian reserve
downin humans1
1 study
Ovarian reserve
downin humans1
Delayed childbearing decreases ovarian reserve in humans.
“reproductive ageing plays a central biological role, leading to a decline in ovarian reserve and deterioration of oocyte quality.”
Review
Delayed childbearing and its impact
Reproductive biomedicine online28 May 2026
Pregnancy rate
downin humans1
1 study
Pregnancy rate
downin humans1
Delayed childbearing decreases pregnancy rate in humans.
“implantation, clinical pregnancy, and live birth rates decline sharply by the end of the fourth decade.”
Reviewfemales
Diminished ovarian reserve and infertility
Clinical obstetrics and gynecology1 Dec 2011
Associations
3Gestational diabetes
upin humans1
1 study
Gestational diabetes
upin humans1
Delayed childbearing raises the risk of gestational diabetes in humans.
“Advanced maternal age (AMA) elevates risks of gestational diabetes, hypertensive disorders, preterm birth, foetal growth restriction, stillbirth and congenital anomalies.”
Reviewadvanced maternal agefemales
Delayed childbearing and reproductive ageing: a narrative review
Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology9 Jun 2026
Maternal, fetal and neonatal complications
upin humans1
1 study
Maternal, fetal and neonatal complications
upin humans1
Delayed childbearing raises the risk of maternal, fetal and neonatal complications in humans.
“advanced maternal age is associated with altered pregnancy outcomes, including increased risks of maternal, fetal and neonatal complications”
Review
Delayed childbearing and its impact
Reproductive biomedicine online28 May 2026
Infertility
upin humans1
1 study
Infertility
upin humans1
Delayed childbearing raises the risk of infertility in humans.
“As a result, the incidence of age-related infertility has increased.”
Reviewfemales
Diminished ovarian reserve and infertility
Clinical obstetrics and gynecology1 Dec 2011