External method for detection of fetal breathing in utero.
An ultrasonic technique for detecting fetal breathing in utero has been developed using chronic fetal lamb preparations, and has been used successfully in pregnant women.
D000818:Animals; D005260:Female; D005318:Fetal Heart / Q000502:physiology; D005323:Fetal Monitoring; D005333:Fetus / Q000502:physiology*; D006801:Humans; D008722:Methods; D011247:Pregnancy; D012119:Respiration; D012756:Sheep; D014463:Ultrasonography