Having a Baby After 35: Risky Business?PREGNANCY RISKS FACTS AND FIGURES
One in 5 women in the United States has her first child after age 35, which puts them at in increased rates of infertility, pregnancy risks of genetic abnormalities, placental problems, stillbirth and increased incidence of medical conditions like high blood pressure, obesity, diabetes, and thyroid disease, according to the March of Dimes.

Women over 35 are about twice as likely to develop gestational diabetes and placenta previa as younger women.