Studies try to sidetrack abortion politics with focus on "pre-embryo".
The politics of abortion has completely halted NIH studies on in vitro fertilization and experiments involving transplants of human fetal tissue. The following articles describe some efforts on the part of medical organizations and religious thinkers to break this political barrier.
D000029:Abortion, Legal; D002410:Catholicism; D005333:Fetus; D006801:Humans; D009316:National Institutes of Health (U.S.); D011057:Politics; D012109:Research Support as Topic / Q000331:legislation & jurisprudence; D016378:Tissue Transplantation / Q000592:standards*; D014481:United States