Encyclopedia: Progestagen
Progestagens are hormones that produce effects similar to those of progesterone, the only natural progestagen. All other progestogens are synthetic and are often referred to as progestins. All progestagens have antiestrogenic and antigonadotropic properties. Progestogens differ in their potency and side-effects. Such side-effects may be androgenic , antiandrogenic , estrogenic, glucocorticoid , or antimineralocorticoid . , Progestogens are used alone in progestogen only pills, or with an estrogen in combined...