Word: fetal
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Dates: during 1980-1989
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...sample from the fetus. They prefer to excise it from the head, where there are no major blood vessels or nerves and the skull provides a firm surface for their work. To draw a blood sample, the doctor inserts a needle through the tube and punctures one of the fetal blood vessels lying on the surface of the placenta. Says Dr. Mitchell Golbus, a fetoscopy expert and director of the prenatal detection program at the University of California at San Francisco: "It has to be done with a great deal of care and skill because we want the pregnancy...