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Progestogens, also sometimes written progestins, progestagens or gestagens, [1] are a class of natural or synthetic steroid hormones that bind to and activate the progesterone receptors (PR). [ 2 ] [ 3 ] Progesterone is the major and most important progestogen in the body.
This is a list of progestogens that are or that have been used in clinical or veterinary medicine. They are steroids and include derivatives of progesterone and testosterone . Progesterone derivatives
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Progesterone (/ p r oʊ ˈ dʒ ɛ s t ər oʊ n / ⓘ; P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. [1] [13] It belongs to a group of steroid hormones called the progestogens [13] and is the major progestogen in the body. Progesterone has a ...
Structural aspects of progestogens used in clinical and veterinary medicine; Class Subclass Progestogen Structure Chemical name Features Pregnane: Progesterone: Progesterone: Pregn-4-ene-3,20-dione – Quingestrone: Progesterone 3-cyclopentyl enol ether Ether: 17α-Hydroxyprogesterone: Acetomepregenol
Other contexts will include progestogens as a third class of sex steroids, distinct from androgens and estrogens. [5] Progesterone is the most important and only naturally occurring human progestogen. In general, androgens are considered "male sex hormones", since they have masculinizing effects, while estrogens and progestogens are considered ...
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Unlike the case of testosterone and estradiol, progesterone cannot be esterified as it lacks hydroxyl groups, so all progestogen esters, with the exception of esters of 17α-hydroxyprogesterone like hydroxyprogesterone caproate, are esters of progestins (synthetic progestogens) and are non-bioidentical.