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Ultrasound recording of fetal breathing
Apparatus for recording fetal chest wall movements is described. Special reference is made to technical considerations which can improve the quality of records obtained. Fetal breathing was observed in 44 out of 45 recordings. Maternal respiration and pulse could give rise to potentially confusing signals which were identified by recording these parameters on a separate channel.
Apparatus for recording fetal chest wall movements is described. Special reference is made to technical considerations which can improve the quality of records obtained. Fetal breathing was observed in 44 out of 45 recordings. Maternal respiration and pulse could give rise to potentially confusing signals which were identified by recording these parameters on a separate channel.