How Is The Menstrual Cycle Controlled By Negative Feedback?

How Is The Menstrual Cycle Controlled By Negative Feedback? This is an example of negative feedback . Progesterone maintains the uterus lining (the thickness of the uterus wall). If the egg has not been fertilised, the corpus luteum dies and progesterone levels drop . This causes menstruation, where the uterus lining breaks down – this

Do Dolphins Get Their Period?

Do Dolphins Get Their Period? Do dolphins get their period? There is no actual mating season for dolphins. They mate 365 days a year. Ninety percent of their mating activity, however, is foreplay. Intercourse only takes seconds. What animals get their period? Do animals menstruate? Apart from humans, menstruation has only been observed in other