Miscarriage Risk Factors and Management

Risk Factors

Women aged 35 years or older have a significantly higher risk of miscarriage (OR 1.85; 95% CI, 1.35-2.52) compared to younger women, according to the American Society for Reproductive Medicine 1
Low serum Anti-Müllerian Hormone (AMH) levels are associated with a significantly higher risk of miscarriage (OR 1.91; 95% CI, 1.40-2.60) 1
For women over 35 years old with diminished ovarian reserve, the risk of miscarriage is even higher (OR 2.05; 95% CI, 1.42-2.95) 1

Surgery during pregnancy carries a slightly higher risk of miscarriage during the first trimester, as reported by the American College of Obstetricians and Gynecologists 2