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LYON, France (AP) - An older woman's slim chances of getting pregnant could be made worse if embryos are screened for defects before being implanted into the womb, doctors said Wednesday.
Pregnancy and live birth rates were substantially lower among women whose embryos were screened compared with those whose were not, according to a study presented Wednesday at a Lyon meeting of the European Society of Human Reproduction and Embryology.
The findings, which were questioned by some experts, suggest genetic screening should not be a routine part of fertility treatment for women over 35.
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