progestin

noun

A natural or synthetic progestational substance that mimics some or all of the actions of progesterone.

noun

A crude hormone of the corpus luteum from which progesterone can be isolated in pure form. No longer in scientific use.

noun

A synthetic progestagen intended to mimic the effects of progesterone, often for contraceptive purposes.

noun

any of a group of steroid hormones that have the effect of progesterone