Alterations in the secretion and production of follicle-stimulating hormone precede age-related lengthening of estrous cycles in rats.


The present study evaluated the effects of aging on the hormone profile of FSH as well as that of LH and PRL during proestrus (P) and estrus (E) of the 4-day rat estrous cycle. Furthermore, in view of the heterogeneity of FSH forms in the anterior pituitary gland (AP), we also sought to ascertain the effects of aging on the type of FSH produced by the AP… (More)