No abstract available
MeSH terms
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Adult
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Cervical Length Measurement / methods*
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Female
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Humans
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Pregnancy
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Pregnancy Complications / diagnostic imaging*
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Ultrasonography, Prenatal / methods*
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Urogenital Abnormalities / diagnostic imaging*
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Uterus / abnormalities*
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Uterus / diagnostic imaging*
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Vagina / diagnostic imaging