Slow fetal heart rate may predict pregnancy outcome in first-trimester threatened abortion
Abstract
Two hundred forty pregnant women presented with first-trimester threatened abortion were examined by transvaginal ultrasound. Women with a slow fetal heart rate of less than 120 beats per minute may eventually be at increased risk for pregnancy loss.
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PII: S0015-0282(04)00608-9
doi:10.1016/j.fertnstert.2003.12.026
© 2004 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

