Michael S. Porter
Eric C. Nordby
Maternal age refers to the age of the mother at the time of her child’s birth. This factor is an important consideration in obstetric care because a woman’s age can influence both her pregnancy experience and the health outcomes for her baby. Healthcare providers track maternal age to identify pregnancies that may benefit from additional monitoring, specialized testing, or adjusted care protocols to ensure the safest possible outcomes for both mother and child.
In medical practice, advanced maternal age (AMA) is conventionally defined as 35 years or older at the time of delivery. This threshold is used to identify pregnancies that may carry elevated risks of certain complications, including:
- Chromosomal conditions such as Down syndrome
- Gestational diabetes
- Preeclampsia
- Preterm delivery
- Low birthweight
- Increased likelihood of cesarean delivery
The designation of age 35 as a clinical marker is based on extensive research showing that biological factors such as declining egg quality and changes in placental function become more pronounced at this age. These changes warrant closer prenatal surveillance and, in some cases, modified care strategies.