The RU486 is a drug, which is used almost exclusively to produce embryos from abortions. Its generic name is mifepristone. It is a synthetic hormone that blocks progesterone (a hormone essential for maintaining pregnancy.) The RU 486 prevents the binding and lead to the expulsion of a child conceived, resulting in the death of it (abortion). (Caroline 2007).
If it is administered before implantation of the embryo prevents the endometrium adequately protects the embryo. However, if applied after implantation of the embryo and blocks the activity start and secretory endometrium and endometrial erosion, which leads to the occurrence of detachment of the ...