A randomized trial of routine prenatal ultrasound.


Nine hundred fifteen of 2171 pregnant patients had no indication for ultrasound at their first prenatal visit and were randomly assigned to receive either a single routine screening ultrasound or usual prenatal care. The estimated date of confinement was altered in 24.9% of routine-ultrasound patients and in 11.6% of usual-care patients through ultrasound… (More)


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@article{Ewigman1990ART, title={A randomized trial of routine prenatal ultrasound.}, author={Bernard G. Ewigman and Martine Lef{\`e}vre and Jurgen Hesser}, journal={Obstetrics and gynecology}, year={1990}, volume={76 2}, pages={189-94} }