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  • Title: Maternal age, obstetric complications, and the outcome of pregnancy.
    Author: Naeye RL.
    Journal: Obstet Gynecol; 1983 Feb; 61(2):210-6. PubMed ID: 6823362.
    Abstract:
    Data from 44,386 pregnancies were analyzed to determine if advancing maternal age influences frequency or outcome of antenatal disorders. The perinatal mortality rate progressively increased from 25/1000 at age 17 ro 19 years to 69/1000 after age 39. Stillbirths accounted for 92% of this increase. Fourteen percent of the increase was due to congenital malformations and 50% to disorders associated with uteroplacental underperfusion, ie, abruptio placentae, large placental infarcts, and placental growth retardation. Sclerotic lesions in the myometrial arteries are a possible cause of underperfusion because the proportion of arteries with these lesions increased from 11% at age 17 to 19 years to 83% after age 39.
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