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Genet Test Mol Biomarkers


Objective: To examine the rate of recurrence for elevated isolated maternal serum alpha-fetoprotein (MSAFP) and its associated adverse outcomes during a subsequent pregnancy.

Materials and Methods: A retrospective cohort study of pregnant multiparous women who had elevated MSAFP levels during an initial and a subsequent pregnancy between 1994 and 2020.

Results: Twenty-seven out of 344 (7.8%) women with elevated MSAFP had recurrent elevated MSAFP in a subsequent pregnancy. Four women were excluded due to missing data. Of the 23 women included, 5 (22%) had fetal growth restriction (FGR), 2 (9%) had pre-eclampsia, 9 (35%) had preterm births, and 2 (9%) had fetal death/miscarriage in their subsequent pregnancy. Looking at individual outcomes, 60% of women had recurrence of preterm labor, 33% had recurrence of fetal death, and 25% had recurrence of FGR.

Conclusion: Women with elevated MSAFP levels during an initial pregnancy should be informed during preconception counseling about their risk of recurring elevated MSAFP and its associated adverse outcomes risks.

Medical Subject Headings

Female; Fetal Death; Fetal Growth Retardation; Humans; Infant, Newborn; Male; Pregnancy; Pregnancy Outcome; Retrospective Studies; alpha-Fetoproteins

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