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perineum |
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perineum
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Anogenital distance (AGD), a sexually dimorphic trait in rodents and humans, is considered a reliable marker of androgen and antiandrogen effects in rodents, but data on AGD in humans are sparse and longitudinal changes during infancy have not been assessed. Anogenital distance is typically longer in males than in females. Reproductive biology expert Professor Frederick von Saal, University of Missouri-Columbia in the US, said the male hormone testosterone had a direct effect on anogenital distance, causing it to be longer in males than in females. |
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