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Unformatted text preview: and prevents implantation of fertilized ovum. Some women experience bleeding, discomfort or expulsion so cant have IUD. Non-surgical abortion RU 486 (mifepristone). Antiprogestin. Prevents binding of progesterone to progesterone receptors. So level of progesterone declines, thus lining of uterus doesnt proliferate and thicken. Menstruation occurs and embryo sloughs off. Prostaglandin E (misopristol) which stimulates uterine contractions is given after RU 486 to aid in expulsion of endometrium. Side effect is uterine bleeding....
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This note was uploaded on 04/30/2011 for the course MED RAD SC 2M03 taught by Professor Wendy during the Fall '10 term at McMaster University.
- Fall '10