No abstract available
MeSH terms
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Body Height
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Estradiol / blood*
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Female
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Fetus
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Follicle Stimulating Hormone / blood*
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Gestational Age
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Humans
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Luteinizing Hormone / blood*
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Male
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Maternal-Fetal Exchange
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Pregnancy
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Radioimmunoassay
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Sex Factors
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Testosterone / blood*
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Tritium
Substances
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Tritium
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Testosterone
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Estradiol
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Luteinizing Hormone
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Follicle Stimulating Hormone