Which maternal age category is associated with an increased risk for preeclampsia?

Maternal age is a significant factor in obstetric care, particularly concerning conditions such as preeclampsia. Women over the age of 40 are considered to be in a high-risk category for developing preeclampsia due to several physiological changes that occur with advanced maternal age.

As women age, there are increased rates of chronic health conditions such as hypertension or diabetes, which can exacerbate the risk of developing preeclampsia. Additionally, older maternal age is associated with changes in blood vessel function and a greater likelihood of placental abnormalities that contribute to the development of hypertensive disorders during pregnancy.

The increased risk for preeclampsia in older mothers is supported by various studies indicating that the incidence of this condition increases as maternal age climbs, particularly beyond 40 years. Hence, among the age categories listed, the group over 40 years correlates with a heightened risk for the development of preeclampsia, making it the correct choice in this context.