Cyclic Changes in Cervical Mucus and LH Levels in the Bonnet Macaque (Macaca radiata)

Abstract
Vaginal cytology, cervical mucus, and serum LH were studied in adult female bonnet macaques (Macaca radiata). Ovulation was observed by laparoscopy. The cytology of vaginal smears and ferning pattern of cervical mucus were not well demarcated. Water content of cervical mucus increased gradually before ovulation and decreased soon after ovulation. The disc gel electro-Serum LH phoresis of cervical mucus revealed four bands. A single mid-cycle peak in concentration was detected in most cases. Basal LH concentration of approximately 500 ng/ml and LH surge of 2,000-2,500 ng/ml were observed between days 14 and 16.

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