title: pH Measurement with a fiber-optic tissue-pH monitor and a standard blood-pH meter.
mesh_terms: D005260:Female; D005336:Fiber Optic Technology / Q000295:instrumentation*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007743:Labor, Obstetric; D008991:Monitoring, Physiologic / Q000379:methods*; D055100:Optical Fibers; D011247:Pregnancy