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2002 JAN 10 - (NewsRx.com & NewsRx.net) -- U.S. obstetrician-gynecologists have initiated one of the first clinical changes arising from discoveries of the Human Genome Project, by greatly expanding the number of couples offered genetic screening for cystic fibrosis (CF) during preconception or prenatal care.
"The genetic revolution has begun," announced Michael T. Mennuti, MD, of The American College of Obstetricians and Gynecologists (ACOG), speaking at an ACOG press briefing in New York City. "The advances of the human genome project have moved from the laboratory to the obstetrician's office. With these changes come new options and new decisions for expectant couples."
ACOG now recommends that ob-gyns make DNA screening for cystic fibrosis available to all couples seeking preconception or prenatal care - not just those with a personal or family history of carrying the CF gene, as previously recommended. ACOG has distributed physician and patient education materials to its 40,000 members to help implement this major screening change.
Couples who learn they both carry the CF gene would have a one in four chance of delivering a child with cystic fibrosis. CF can bring pulmonary and gastrointestinal symptoms of varying severity, but most CF cases are associated with substantial illness and shortened lifespan and require lifelong medical care.
Since the discovery in 1989 of the gene, called CFTR, that causes the autosomal recessive genetic disorder of CF, more than 900 mutations of the gene have been identified. Screening is now available for the most frequent CF mutations.
Among ACOG's new recommendations:
* Testing will be made available to all couples, whatever their risk for carrying the CF gene, through information brochures on CF given to couples seeking preconception or prenatal care. These materials explain the relative risks for carrying CF, screening options, and what steps are next should a couple learn that they carry the CF gene.
Source: HighBeam Research, Ob-Gyns Offering Large-Scale Cystic Fibrosis Screening.