Embryo The developing human organism from the implantation of the fertilized ovum in the uterus, about two weeks after conception to the eighth week after conception. The embryonic period of fetal development is one of rapid growth when the major organ...

(from Greek, en: in, bryein: to swell) An organism in the earliest stages of DEVELOPMENT. During the first 4 weeks of human development the apparently homogenous egg becomes an EMBRYO. Once the principal organs of the body are differentiated and...

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[M. Therese Lysaught teaches theology at the University of Dayton. The following essay appeared in the Sept. 26, 2003 issue of Common weal. ©2003 Commonweal Foundation, reprinted with permission. For subscriptions: www.commonwealmagazine.org. ] Last March, Newsweek discovered embryo adoption. A brief story recounted...

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A majority of couples with stored embryos from fertility treatments say they would be willing to donate unused embryos for stem cell research, says a doctor who surveyed patients."Large numbers of infertility patients ... support using embryos for research, and these are people who have...

A British woman left infertile after being treated for ovarian cancer has no right to frozen embryos against the wishes of her former fiance, who provided the sperm, the European Court of Human Rights ruled Tuesday.The court's Grand Chamber, a panel of 17 European judges,...