Studies on a new technique of simultaneous FHR recordings on single chart in twin pregnancy.
D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D005323:Fetal Monitoring / Q000379:methods*; D006339:Heart Rate; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins; D014463:Ultrasonography; D014590:Uterine Contraction