Latest Preimplantation genetic diagnosis Stories
Lasers, used everywhere from supermarket scanners to gum surgery, now give couples undergoing infertility treatment a cutting-edge way to increase chances for success with PGD and assisted hatching
For the first time in the USA, a leading fertility and egg donation center is offering programs that include guaranteed quantities of viable eggs for its patients.
-- Program of Einstein Medical Center Philadelphia Uses Simple Blood Test to Identify Carriers of 19 Preventable Disorders Common to Ashkenazi Jews -- PHILADELPHIA, July 11, 2011 /PRNewswire-USNewswire/ -- In the past, prospective parents had no way of knowing whether they were carriers of a genetic disease that could threaten the health and life of their children - until it was too late and a child became sick.
tThe German parliament approved the use of preimplantation genetic diagnosis in order to test for genetic disorders.
Other important data the European IVF Monitoring group (EIM) on 2008 cycles and the International Committee Monitoring Assisted Reproductive Technologies (ICMART) on 2007 cycles highlighted were Sweden's low rate of multiple births â€“ the lowest in the world â€“ and Spain's 30 % share of egg donations in Europe.
At present, when a woman undergoes preimplantation genetic screening (PGS) in a fertility clinic, doctors are trying to select an egg or an embryo that is healthy and doesn't have a chromosome abnormality such as an extra copy of chromosome 21, which causes Down's syndrome.
Professor William G. Kearns told the annual meeting of the European Society of Human Reproduction and Embryology that a three-day-old embryo (called a cleavage stage embryo) with an incorrect number of chromosomes (known as "aneuploidy") was capable of undergoing "a dynamic process of genetic normalisation" so that by day five, when it had developed to the blastocyst stage, it had become euploid, with the correct number of chromosomes.
Ovarian stimulation undertaken by women of advanced maternal age (over 35 years) receiving fertility treatment may be disrupting the normal pattern of meiosis â€“ a critical process of chromosome duplication followed by two specialized cell divisions in the production of oocytes and sperm â€“ and leading to abnormalities of chromosome copy numbers (aneuploidy) that result in IVF failure, pregnancy loss or, more rarely, the birth of affected children with conditions such as...
Ovarian stimulation undertaken by women of advanced maternal age (over 35 years) receiving fertility treatment may be disrupting the normal pattern of meiosis â€“ a critical process of chromosome duplication followed by two specialised cell divisions in the production of oocytes and sperm â€“ and leading to abnormalities of chromosome copy numbers (aneuploidy) that result in IVF failure, pregnancy loss or, more rarely, the birth of affected children with conditions such as Down's...
Human Reproduction is a peer-reviewed scientific journal that concentrates on original research, clinical case studies and opinions and debates on topical issues. The journal was broken into three distinct journals in 1995, with Human Reproduction Update and Molecular Human Reproduction. Human Reproduction Update is a bimonthly review journal and Molecular Human Reproduction is a monthly journal focusing on molecular aspects of reproductive biology. Human Reproduction covers all aspects...
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