No abstract available
MeSH terms
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Adolescent
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Adult
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Androgens / urine
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Asian People
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Breast Neoplasms / etiology*
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China
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Contraceptives, Oral / adverse effects
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Corpus Luteum / metabolism*
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Estrogens / urine
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Female
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Humans
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Japan
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Menarche
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Menopause
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Menstruation Disturbances / physiopathology
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Middle Aged
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Obesity
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Parity
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Progesterone / metabolism*
Substances
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Androgens
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Contraceptives, Oral
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Estrogens
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Progesterone