IMR Press / CEOG / Volume 45 / Issue 4 / DOI: 10.12891/ceog4172.2018

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 47 Issue 1 (2020). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Original Research
Fetal response to external audial stimulation in high-risk pregnancies
Show Less
1 Medical Faculty University of Belgrade, Belgrade, Serbia
2 Clinic for Gynecology and Obstetrics Clinical Center, Belgrade, Serbia
3 Clinic for Gynecology and Obstetrics Narodni front, Belgrade, Serbia
Clin. Exp. Obstet. Gynecol. 2018, 45(4), 552–554;
Published: 10 August 2018

Introduction: An aim of the first phase of the present authors' prospective clinical trial was to determine the variation of pulsatile index (PI) in the median cerebral artery (MCA) in low- and in high-risk pregnancies with gestational hypertension, diabetes mellitus, intrauterine growth restriction (IUGR), and congenital thrombophilia, after constant sound stimuli. Materials and Methods: Study was organized as multicentric prospective clinical trial under the supervision of Ministry of Health and Education of Republic of Serbia over four years from 2011-2014. The study included 60 patients in low-risk pregnancies, 31 patients with gestational hypertension, 17 patients with diabetes in pregnancy, four with IUGR, and nine patients with congenital thrombophilia. Ultrasound prenatal auditory screening was performed after the 27th week of gestation, following the protocol established in 1992. Defined sound stimulus was digitally generated sound intensity 90 dB, frequency range 1,500-4,500 Hz, and duration 0.2 seconds. Result: There is significant statistical difference between low-risk pregnancies and pregnancies with gestational hypertension, and insulin dependent diabetes mellitus. Conclusion: A small response interval was detected in pregnancies complicated with diabetes mellitus insulin dependent and gestational hypertension. The authors can conclude that these fetuses are in chronic hypoxia which results in their low reactivity to external stimulation.
Doppler changes in fetal MCA
External sound stimulation
Fetal well being
Back to top