International Journal of Sciences: Basic and Applied Research
Abstract
The estrous cycle is a recurrent process that describes changes in reproductive hormone levels caused by ovarian activity under the influence of pituitary hormones. Estrous cycles are characterized by morphological changes in ovaries, the uterus and the vaginal cells. The length of the estrous cycle and the frequency of the reproductive cycle in each organism are different. In mice, lasts for about 4-5 days. The estrus cycle consists of four phases, namely proestrus, estrus, metestrus and diestrus. During this period, the vaginal mucosa undergoes tremendous structural change
