The Effect of Maternal Position Change on the Accuracy of Amniotic Fluid Index Using Ultra-sound and Enhancing Neonatal Outcome

Background: Amniotic fluid plays important rules in fetal development. variations above or below normal is associated with increase perinatal the amniotic mortality and morbidity, so we evaluate the effect of maternal position change on changing fluid position and increasing the visual of AF and might increase the accuracy of AFI. Little reports were studied before in this subject We aimed to evaluate amniotic fluid index in comparison with maternal position change along with different methods for increasing AF accuracy and subsequently neonatal outcome. Methods: A cross sectional study included 80 pregnant women (18-35) years old whose gestational age before 24 weeks of gestation, Obstetric ultrasonographic examinations were performed to measure fetal UPR, AFI, and VDP in lateral decubitus Position at 36 weeks, then follow up measurements of AFI, and SVDP were performed at 38 – 40 weeks of gestation at both supine and lateral decubitus Position. Results: There was a statistically significant increase in FUP, AFI and VDP values at 36 weeks of GA on change maternal position from supine to lateral decubitus. Also, a similar significant increase in FUP, AFI and VDP values on changing maternal position at 38-40 weeks of gestation. There was a significant negative correlation between AFI and VDP measured on lateral decubitus position at 36 weeks and incidence of AF-stained meconium and need for NICU admission also incidence of respiratory distress. Conclusion: It seems that maternal position change from supine to lateral decubitus position increases AF accuracy as increased fetal UPR, AFI and VDP subsequently enhancing pregnancy and neonatal outcome. We may infer that the VDP approach is the best method for estimating AF volume.

[1]  J. Thompson,et al.  The effect of supine positioning on maternal hemodynamics during late pregnancy , 2018, The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.

[2]  S. Kehl [Single Deepest Vertical Pocket or Amniotic Fluid Index as Evaluation Test for Predicting Adverse Pregnancy Outcome (SAFE trial): A Multicenter, Open-Label, Randomized Controlled Trial]. , 2018, Zeitschrift fur Geburtshilfe und Neonatologie.

[3]  G. Grant Embryology, Amniotic Fluid , 2017 .

[4]  S. Agarwal,et al.  Evaluation of feto-maternal outcome using AFI and SDVP for amniotic fluid assessment; Which is a better method? , 2017 .

[5]  Jacquelyn Coombe-Patterson Amniotic Fluid Assessment: Amniotic Fluid Index Versus Maximum Vertical Pocket , 2017 .

[6]  Kahraman Ülker,et al.  Comparison of the Effect of Maternal Rest in Alternative Lateral Decubitus Positions on the Amniotic Fluid Index , 2016, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

[7]  L. Rai,et al.  Reference Ranges of Amniotic Fluid Index in Late Third Trimester of Pregnancy: What Should the Optimal Interval between Two Ultrasound Examinations Be? , 2015, Journal of pregnancy.

[8]  R. Morris,et al.  Association and prediction of amniotic fluid measurements for adverse pregnancy outcome: systematic review and meta‐analysis , 2014, BJOG : an international journal of obstetrics and gynaecology.

[9]  S. Rashid Amniotic Fluid Volume Assessment Using the Single Deepest Pocket Technique in Bangladesh , 2013 .

[10]  D. Herr,et al.  Polyhydramnios: Causes, Diagnosis and Therapy. , 2013, Geburtshilfe und Frauenheilkunde.

[11]  Anita Singh,et al.  Respiratory Distress Including Meconium Aspiration Syndrome in Vigorous Neonates Born Through Meconium Stained Amniotic Fluid: Incidence, Onset, Severity and Predictors at Birth , 2013, The Indian Journal of Pediatrics.

[12]  M. Karaca,et al.  Effects of maternal left lateral position and rest on amniotic fluid index: a prospective clinical study. , 2012, The Journal of reproductive medicine.

[13]  S. Ounpraseuth,et al.  Amniotic Fluid and the Clinical Relevance of the Sonographically Estimated Amniotic Fluid Volume , 2011, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

[14]  M. Karaca,et al.  Effects of the Maternal Position and Rest on the Fetal Urine Production Rate , 2011, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

[15]  B. Coleman,et al.  Chapter 71 – Obstetric Ultrasound: Second-Trimester Imaging , 2011 .

[16]  S. Konuk,et al.  The Relation of Intrapartum Amniotic Fluid Index to Perinatal Outcomes İntrapartum Amniyos Sivisi İndeksinin Perinatal Sonuçlarla İlișkisi , 2011 .

[17]  Chan-Wook Park,et al.  Measurement of fetal urine production to differentiate causes of increased amniotic fluid volume , 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

[18]  A. Nabhan,et al.  Amniotic fluid index versus single deepest vertical pocket as a screening test for preventing adverse pregnancy outcome. , 2008, The Cochrane database of systematic reviews.

[19]  J. Jun,et al.  Measurement of fetal urine production by three‐dimensional ultrasonography in normal pregnancy , 2007, Ultrasound in Obstetrics and Gynecology.

[20]  F. Krupa,et al.  Curve of amniotic fluid index measurements in low‐risk pregnancy , 2007, Acta obstetricia et gynecologica Scandinavica.

[21]  N. D. Hinh,et al.  Amniotic fluid index measurements in normal pregnancy after 28 gestational weeks , 2005, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.

[22]  S. Khadilkar,et al.  Amniotic fluid index in normal pregnancy: An assessment of gestation specific reference values among Indian women , 2003, The journal of obstetrics and gynaecology research.