1 Stimulation of growth hormone secretion: Ghrelin, as the ligand for the growth hormone secretagogue receptor, potently stimulates secretion of growth hormone. 2  The ghrelin signal is integrated with that of growth hormone releasing hormone and somatostatin to control the timing and magnitude of growth hormone secretion.
Have your average cycle length automatically calculated at MyMonthlyCycles.com whenever you update your free period calendar! It's simple! Details below ... The textbook average for a woman's menstrual cycle length is 28 days, and for period length, 3 to 5 days. Clearly, many of us know firsthand that these textbook stats don't always (or even ever) reflect our unique cycles!
28, I'm told, though in practice it seems to vary. 25-30 is probably a good bet. The average menstrual cycle length is 28 days-but there can be a  lot of variation from one â¦ woman to the next, thus they can be  shorter or longer. 2 people found this useful.