This is usually done by an injection of human chorionic gonadotropin (hCG), a hormone involved in progesterone secretion. (newscientist.com)
When compared with normally menstruating but sedentary women, amenorrheic athletes demonstrate less progesterone secretion, fewer LH pulses from the pituitary in a day, and higher cortisol levels. (paleoforwomen.com)
Dogs generally develop acromegaly due to excess progesterone secretion (as would occur from an ovarian cyst). (vin.com)