Induction of ovulation by clomiphene citrate in the Indian vespertilionid bat, Scotophilus heathi.
The ovulation induction property of clomiphene citrate (CC) and human chorionic gonadotropin (hCG) was studied in Scotophilius heathi, an Indian tropical vespertilionid bat, during the period of delayed ovulation between December to early January. The results of the study showed that 10 microg of CC alone was ineffective to induce ovulation, whereas 100 microg CC and 10 IU hCG alone induced ovulation. A significant (P < 0.01) increase in the ovulation rate was observed when 10 microg CC followed by 10 IU hCG, compared to 10 IU hCG and 100 microg CC alone groups. Finally, CC at a 100 microg dose, followed by 10 IU hCG, produced superovulation (14.00 +/- 0. 70), which is significantly different in comparison to all other groups. This is the first report of ovulation induced by CC in the Indian tropical bat as well as in any animal model that exhibits temporary anovulation similar to polycystic ovary syndrome (PCOD) during the normal physiology of reproduction.[1]References
- Induction of ovulation by clomiphene citrate in the Indian vespertilionid bat, Scotophilus heathi. Kumar, A., Pakrasi, P.L. J. Exp. Zool. (2000) [Pubmed]
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