progestational

progestational /pro·ges·ta·tion·al/ (pro?jes-ta´shun-al)

1. referring to that phase of the menstrual cycle just before menstruation, when the corpus luteum is active and the endometrium secreting.

2. having effects similar to those of progesterone; see also under agent.

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pro·ges·ta·tion·al (prjs-tsh-nl)

adj.

1. Of or relating to the phase of the menstrual cycle immediately following ovulation, characterized by secretion of progesterone.

2. Of or relating to progesterone and its actions.

3. Having actions similar to progesterone. Used of a drug.

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progestational

preceding gestation; referring to changes in the endometrium preparatory to implantation of the developing ovum should fertilization occur.

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progestational agent (hormone)

a group of hormones secreted by the corpus luteum and placenta and, in small amounts, by the adrenal cortex, including progesterone, ?⁴-3-ketopregnen-20(a)-ol, and ?⁴-3-ketopregnene-20(ß)-ol; agents having progestational activity are also produced synthetically.