Lactation-associated infertility in Japanese monkeys (Macaca fuscata) during the breeding season

Abstract 10.1002/zoo.10073.abs To investigate the endocrine factors in Japanese monkeys (Macaca fuscata) responsible for the suppression of the estrous cycle during the first reproductive season after delivery (150–360 days postpartum), peripheral blood was taken to measure plasma concentrations of follicle stimulating hormone (FSH), luteinizing hormone (LH), progesterone, estradiol-17β, immunoreactive (ir)-inhibin, and cortisol. The results demonstrated […]