gynecology and obstetrics
Risk Factors for Complications During Pregnancy
Maternal Age
Adolescents, who account for 13% of all pregnancies, have an increased incidence of Preeclampsia and Eclampsia , In women ≥ 35, the incidence of preeclampsia is increased, as is that of Diabetes Mellitus in Pregnancy , The most common chromosomal abnormality is autosomal trisomy. The US National Birth Defects Prevention Study (NBDPS) found that offspring of women > 40 years are at increased risk of cardiac abnormalities, esophageal atresia, hypospadias, and craniosynostosis ( Maternal age reference ). 1.Gill SK, Broussard C, Devine O, et al: Association between maternal age and birth defects of unknown etiology: United States, 1997-2007.Birth Defects Res A Clin Mol Teratol 94 (12):1010–1018, 2012. doi: 10.1002/bdra.23049 Epub 2012 Jul 23. 