Source:http://linkedlifedata.com/resource/umls/id/C0028368
MSH: A synthetic progestational agent with actions similar to those of PROGESTERONE. This racemic or (+-)-form has about half the potency of the levo form (LEVONORGESTREL). Norgestrel is used as a contraceptive, ovulation inhibitor, and for the control of menstrual disorders and endometriosis.,PDQ: A synthetic progestin commonly used alone or in combination with an estrogen for contraception. Norgestrel suppresses the secretion of luteinizing and follicle-stimulating hormones (LH and FSH), thickens cervical mucus, and slows the transit of ova through the fallopian tubes. This agent also exhibits antiproliferative activity in endometrial tissue and may exhibit chemopreventive and antineoplastic activities in endometrial carcinoma. Check for "http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?id=39310&idtype=1" active clinical trials or "http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?id=39310&idtype=1&closed=1" closed clinical trials using this agent. ("http://nciterms.nci.nih.gov:80/NCIBrowser/ConceptR