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December 2005

Ceasing Amniocentesis

A noninvasive test for genetic defects in fetuses has reached human clinical studies.

By Lauren Gravitz

Pregnant women seeking prenatal tests for genetic defects face difficult choices. Either they accept less-than-reliable blood tests or ultrasound interpretations that leave them anxious and guessing, or they choose amniocentesis, which punctures the embryonic sac and has a small risk of causing miscarriage.

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