| 1. | Pelvic anatomy is also different according to gender, with a wider pelvic outlet in females.
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| 2. | Anatomical differences such as the wider pelvic outlet in females may explain the skewed gender distribution.
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| 3. | If estrogen therapy is begun prior to pelvis ossification, which occurs around the age of 25, the pelvic outlet and inlet open slightly.
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| 4. | Because the pelvic outlet in the female is larger than in the male, there is a greater distance between the greater trochanters in the female.
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