Cardiotocography v Doppler auscultation. Trials are underpowered.
Smith
Gordon C S
GC
D015148:Cardiotocography; D018849:Controlled Clinical Trials as Topic / Q000379:methods*; D003627:Data Interpretation, Statistical; D015150:Echocardiography, Doppler; D005260:Female; D005323:Fetal Monitoring / Q000379:methods*; D006326:Heart Auscultation; D006801:Humans; D011247:Pregnancy