Dinoprostone

In medicine, dinoprostone, is a naturally occurring prostaglandin E2 (PGE2). It has important effects in labour and also stimulates osteoblasts to release factors which stimualtes bone resorption by osteoclasts.

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It is sold under the trade name of Cervidil (by Forest Laboratories, Inc.), Prostin E₂ (by Pfizer Inc.) and Propess (by Ferring Pharmaceuticals), as a vaginal suppository, to prepare the cervix for labour; it is used to induce labour.

The chemical name is (5Z,11(alpha),13E,15S)-11,15-Dihydroxy-9-oxo-prosta-5,13-dien-1-oic acid.

Like other prostaglandins, dinoprostone can be used as an abortifacient.

It works by binding and activating the prostaglandin E2 receptor.