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Second-trimester maternal serum marker screening: Maternal serum α-fetoprotein, β-human chorionic gonadotropin, estriol, and their various combinations as predictors of pregnancy outcome

FertilityVarious CombinationsReproductive HealthGynecologyPregnancyMaternal HealthMaternal SerumMaternal-fetal MedicinePregnancy OutcomeEndocrinologyMedicinePublic HealthReproductive EpidemiologyPrenatal TestingWomen's HealthHigh-risk PregnancyReproductive Endocrinology