Any substance which has the same effect as progesterone.
One of a group of naturally occurring or synthetic steroid hormones, including progesterone, that maintain the normal course of pregnancy. Progestogens are used to treat threatened or habitual abortion, premenstrual tension, amenorrhea, and abnormal bleeding from the womb. Because they prevent ovulation, progestogens are a major constituent of oral contraceptives. Synthetic progestogens may be taken by mouth but the naturally occurring hormone must be given by intramuscular injection.
One of a naturally occurring or synthetically produced group of steroid hormones, including progesterone, that help to maintain normal pregnancy. Progestogens are used in contraceptives and are useful in treating amenorrhoea, premenstrual tension, and abnormal uterine bleeding.
Any natural or synthetic hormonal substance that produces effects similar to those due to progesterone.