Robert Winston, a pioneer of in-vitro fertilization, told London's "Sunday Times" that "male pregnancy would certainly be possible" by having an embryo implanted in a man's abdomen – with the placenta attached to an internal organ such as the bowel – and later delivered surgically. Ectopic implantation of the embryo along the abdominal wall, and resulting placenta growth would, however, be very dangerous and potentially fatal for the host, and is therefore unlikely to be studied in humans. Gillian Lockwood, medical director of Midland Fertility Services, a British fertility clinic, noted that the abdomen has not evolved to separate from the placenta during delivery, hence the danger of an ectopic pregnancy. Bioethicist Glenn McGee said "the question is not 'Can a man do it?'. It's 'If a man does have a successful pregnancy, can he survive it?