http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (AP)—The case of a Kansas sperm donor being sued by the state for child support underscores the confusing patchwork of laws that govern how assisted reproduction is regulated in the United States. http://medicalxpress.com/news/2013-01-kan-case-reveals-reproduction.html Other Mon, 21 Jan 2013 15:55:37 EST news278006033 Hideaki Kato discovered his true identity by accident. During his medical training a decade ago, the now 39-year-old Japanese doctor was performing blood tests on family members when he learned something startling: his dad was not his biological father. http://medicalxpress.com/news/2013-01-sperm-donor-offspring-privacy.html Other Tue, 01 Jan 2013 08:11:42 EST news276250296 A Danish sperm donor has passed a potentially severe genetic disorder to five children after a screening test failed to catch that he had the disease, health officials said Monday. http://medicalxpress.com/news/2012-09-danish-sperm-donor-genetic-disorder.html Other Mon, 24 Sep 2012 17:02:42 EST news267724943 (AP) -- Physicians and the federal government cited the case of a San Francisco Bay area man who has fathered 14 children as an example of the risks posed by the informal market for sperm donations, which doctors consider unsafe but some people call a civil liberties issue. http://medicalxpress.com/news/2011-12-fertile-sperm-donor-criticism-fda.html Health Tue, 20 Dec 2011 04:50:12 EST news243578995