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Pregnancy
Gestational Age
Animal Pregnancy
Uterine Contraction
Fetal Diseases
Fetal Growth Retardation
Pre-Eclampsia
Newborn Infant
Guinea Pigs
Fetal Blood
Uterus
Fetuses
Umbilical Veins
Prenatal Diagnosis
Ultrasonography, Prenatal
Ultrasonography
Intrauterine Blood Transfusion
Amniocentesis
Prospective Studies
Pregnancy Outcomes
Co-Publications
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18
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