title: An ultrasonic device for continuous measurement of cervical dilation during labor.
abstract: This paper describes ultrasonic apparatus for continuous registration of cervical dilation during the first stage of labour. The techniques used ensure maximum safety for the patients and do not influence the normal birth process.
mesh_terms: D002584:Cervix Uteri / Q000502:physiology; D005260:Female; D006801:Humans; D007747:Labor Stage, First; D007751:Labor, Induced; D007743:Labor, Obstetric; D010121:Oxytocin / Q000008:administration & dosage; D011247:Pregnancy; D014465:Ultrasonics / Q000295:instrumentation*; D014590:Uterine Contraction / Q000187:drug effects
chemical_list: D010121:Oxytocin