Kaolin吸着-mouse子宮重量法による尿中Gonadotropinの測定:特に其の年令的推移に就いて

概要

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Gonadotropin in 24 hours urine from 30 females and 17 males was extracted by kaolin adsorption method and assayed by mouse uterine weight method. Following results were obtained. 1) About 25% of gonadotropin was recovered by this method. 2) In the male between age 20 and 50, and in the female between age 20 and menopause, the value was more than 4 m.u.u. and less than 16 m.u.u.. 3) In the females after menopause, the value of gonadotropin increased remarkably with age and reached its peak around age 60. In the males after age 50, the result showed more individual differences than in the postmenopausal females, but the high values were obtained between age 60 and 70, and highest values were observed around age 70. 4) After age 80, most of them showed relative lower values.
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