Abstract:Lactation in mammals is associated with a period of infertility, which serves to direct maternal metabolic resources towards caring for the newborn offspring rather than supporting another pregnancy. This lactational infertility is characterized by reduced pulsatile luteinizing hormone (LH) secretion and lack of ovulation. The mechanisms mediating suppression of LH secretion during lactation are unclear. There are potential roles for both hormonal cues such as prolactin and progesterone, and pup-derived cues s… Show more
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