The intrauterine probe electrode.

Strong, T H; Paul, R H; Park, G D; Cheng, Y; Lewis, D E; McCart, D F; Mueller, E A · Am J Obstet Gynecol · 1991

case_series · Level IV

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Abstract

An intrauterine probe electrode was inserted into 100 laboring women and 366 bipolar electrode combinations were tested. A noise-cancelling technique was used with the final 28 subjects to remove competing maternal cardiac signals. Twenty-four (86%) had fetal heart rate tracings with sufficient technical quality to allow determination of the baseline fetal heart rate.

Medical subject headings