No abstract available
MeSH terms
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Abortion, Spontaneous / diagnosis
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Amniocentesis / methods
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Amnion / anatomy & histology
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Chorion / anatomy & histology
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Congenital Abnormalities / diagnosis
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Delivery, Obstetric
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Diseases in Twins*
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Embryonic and Fetal Development
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Female
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Fetal Growth Retardation / diagnosis
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Fetal Organ Maturity
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Humans
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Labor, Obstetric
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Lung / embryology
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Placentation
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Pregnancy
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Pregnancy, Multiple*
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Prenatal Diagnosis*
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Twins
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Twins, Conjoined
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Ultrasonography*