Wide bandwidth fetal phonography using a sensor matched to the compliance of the mother's abdominal wall.
D000009:Abdominal Muscles; D005260:Female; D005318:Fetal Heart; D005323:Fetal Monitoring / Q000295:instrumentation*; D006801:Humans; D010701:Phonocardiography / Q000295:instrumentation*; D011247:Pregnancy; D014159:Transducers