Contrary to some earlier findings, a large Canadian study links an increase in birth defects with babies born through fertility treatments. According to the results of the study, which was presented at a Society for Maternal-Fetal Medicine meeting in San Francisco, the overall risk appears minimal - less...
BioNews reporting from ESHRE conference, Prague (sponsored by Planer cryoTechnology). By Dr Jess Buxton: New research on mouse embryos suggests that laboratory culture conditions can affect the activity of several genes. The findings, presented by US scientists at the annual conference of the European Society of Human Reproduction and Embryology...
Babies conceived using fertility treatments, including IVF, are at no more risk of birth defects than naturally conceived infants, a large US study shows. Researchers at Stamford Hospital in Connecticut looked at data from over 36,000 pregnancies, around five per cent of which arose following fertility treatments. But their findings...
BioNews reporting from ESHRE conference, Copenhagen: Beckwith-Wiedermann syndrome (BWS) is the only rare genetic 'imprinting' disorder linked to the use of assisted reproduction techniques (ARTs), according to the results of the largest study carried out to date. Researchers at University College in London investigated a possible link between ARTs and...
Human embryonic stem (ES) cells do not show signs of genetic instability when grown for extended periods in the laboratory, UK researchers say. The results, published in the journal Nature Genetics, are 'not only surprising but good news for potential therapeutic use', says study leader Roger Pederson. The scientists, based...
The UK's Medical Research Council (MRC) has published a report highlighting the need for 'improved monitoring and evaluation of assisted reproduction technology (ART)'. Called 'Assisted reproduction: a safe, sound future', the report follows a request from the Human Fertilisation and Embryology Authority (HFEA) asking the MRC to review the evidence...
A panel of fertility experts has analysed medical data on children conceived by in vitro fertilisation (IVF), and found that overall, they are no more likely to have major health problems than naturally conceived children. They found no evidence to suggest that IVF increases the incidence of major birth defects...
An Australian study of 37 babies born with Beckwith-Wiedemann Syndrome (BWS) adds to the evidence linking in vitro fertilisation (IVF) and the condition. The researchers, from Murdoch Childrens Research Institute in Melbourne, looked at 37 babies born with BWS. They found a birth prevalence of one in 4000 in children...
American researchers have revealed that cloning causes abnormalities in resulting embryos, but they found no evidence of defects in those created by other assisted reproduction techniques. The researchers were trying to investigate concerns that assisted reproductive technologies increase the risk of the rare genetic disorders Beckwith-Wiedemann and Angelman syndromes. Drs...
BioNews reporting from ESHRE conference, Berlin: A form of IVF in which a single sperm is injected directly into the egg appears to slow down the growth rate of the resulting female (but not male) early embryos, according to a new Dutch study. The scientists, based at the Academic Hospital...
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