Patient control during labor. Effects of two types of fetal monitors.
D001290:Attitude; D003258:Consumer Behavior; D005260:Female; D005323:Fetal Monitoring / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D007389:Internal-External Control; D007743:Labor, Obstetric; D010353:Patient Education as Topic; D010361:Patients / Q000523:psychology*; D011247:Pregnancy; D011897:Random Allocation; D013686:Telemetry; D013997:Time Factors