Urinary Chorionic Gonadotrophin Excretion During Pregnancy in the Chimpanzee
- 1 January 1974
- journal article
- research article
- Published by S. Karger AG in Journal of Medical Primatology
- Vol. 3 (5) , 269-275
- https://doi.org/10.1159/000460028
Abstract
Urinary chorionic gonadotrophin (UCG) activity was followed in fifteen chimpanzees during pregnancy using a commercial immunoassay for human chorionic gonadotrophin. In one of these chimpanzees UCG levels were determined by a bioassay based on the increase in prostate weight in immature rats. The peak level of UCG excretion as determined by bioassay was 16,700 IU/24 h, and excretion rates remained greater than 1,000 IU/24 h for 14 weeks. The commercial human immunoassay appeared to be an easy and reliable method for detecting pregnancy and predicting parturition in the chimpanzee.Keywords
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