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!
A cycle is counted from the first day of 1 period to the first day of the next period. The average menstrual cycle is 28 days long. Cycles can range anywhere from 21 to 35 days in adults and from 21 to 45 days in young teens.