Amniotic Fluid Volume Assessment: Eight Lessons Learned

References

• Croom CS, Banias BB, Ramos-Santos E, Devoe LD, Bezhadian A, Hiett AK. Do semiquantitative amniotic fluid indexes reflect actual volume? Am J Obstet Gynecol. 1992;167(4 Pt 1):995–999. doi:10.1016/S0002-9378(12)80026-3
   Web of Science ®Google Scholar
• Dildy GA, Lira N, Moise KJ, Riddle GD, Deter RL. Amniotic fluid volume assessment: comparison of ultrasonographic estimates versus direct measurements with a dye-dilution technique in human pregnancy. Am J Obstet Gynecol. 1992;167(4):986–994. doi:10.1016/S0002-9378(12)80025-1
   PubMed Web of Science ®Google Scholar
• Magann EF, Nolan TE, Hess LW, Martin RW, Whitworth NS, Morrison JC. Measurement of amniotic fluid volume: accuracy of ultrasonography techniques. Am J Obstet Gynecol. 1992;167(6):1533–1537. doi:10.1016/0002-9378(92)91734-R
   PubMed Web of Science ®Google Scholar
• Magann EF, Morton ML, Nolan TE, Martin JN, Whitworth NS, Morrison JC. Comparative efficacy of two sonographic measurements for the detection of aberrations in the amniotic fluid volume and the effect of amniotic fluid volume on pregnancy outcome. Obstet Gynecol. 1994;83(6):959–962. doi:10.1097/00006250-199406000-00012
   PubMed Web of Science ®Google Scholar
• Horsager R, Nathan L, Leveno KJ. Correlation of measured amniotic fluid volume and sonographic predictions of oligohydramnios. Obstet Gynecol. 1994;83(6):955–958. doi:10.1097/00006250-199406000-00011
   PubMed Web of Science ®Google Scholar
• Magann EF, Nevils BG, Chauhan SP, Whitworth NS, Klausen JH, Morrison JC. Low amniotic fluid volume is poorly identified in singleton and twin pregnancies using the 2 x 2 cm pocket technique of the biophysical profile. South Med J. 1999;92(8):802–805. doi:10.1097/00007611-199908000-00011
   Web of Science ®Google Scholar
• Chauhan SP, Magann EF, Morrison JC, Whitworth NS, Hendrix NW, Devoe LD. Ultrasonographic assessment of amniotic fluid does not reflect actual amniotic fluid volume. Am J Obstet Gynecol. 1997;177(2):291–297. doi:10.1016/S0002-9378(97)70189-3
   Web of Science ®Google Scholar
• Hughes DS, Magann EF, Whittington JR, Wendel MP, Sandlin AT, Ounpraseuth ST. Accuracy of the ultrasound estimate of the amniotic fluid volume (amniotic fluid index and single deepest pocket) to identify actual low, normal, and high amniotic fluid volumes as determined by quantile regression. J Ultrasound Med. 2020;39(2):373–378. doi:10.1002/jum.15116
   PubMed Web of Science ®Google Scholar
• Magann EF, Whitworth NS, Files JC, Terrone DA, Chauhan SP, Morrison JC. Dye-dilution techniques using aminohippurate sodium: do they accurately reflect amniotic fluid volume? J Matern Fetal Neonatal Med. 2002;11(3):167–170. doi:10.1080/jmf.11.3.167.170
   PubMedGoogle Scholar
• Brace RA, Wolf EJ. Normal amniotic fluid volume changes throughout pregnancy. Am J Obstet Gynecol. 1989;161(2):382–388. doi:10.1016/0002-9378(89)90527-9
   PubMed Web of Science ®Google Scholar
• Magann EF, Bass JD, Chauhan SP, Young RA, Whitworth NS, Morrison JC. Amniotic fluid volume in normal singleton pregnancies. Obstet Gynecol. 1997;90(4):524–528. doi:10.1016/S0029-7844(97)00351-7
   PubMed Web of Science ®Google Scholar
• Ounpraseuth ST, Magann EF, Spencer HJ, Rabie NZ, Sandlin AT. Normal amniotic fluid volume across gestation: comparison of statistical approaches in 1190 normal amniotic fluid volumes. J Obstet Gynaecol Res. 2017;43(7):1122–1131. doi:10.1111/jog.13332
   Web of Science ®Google Scholar
• Magann EF, Perry KG, Chauhan SP, Anfanger PJ, Whitworth NS, Morrison JC. The accuracy of ultrasound evaluation of amniotic fluid volume in singleton pregnancies: the effect of operator experience and ultrasound interpretative technique. J Clin Ultrasound. 1997;25(5):249–253. doi:10.1002/(SICI)1097-0096(199706)25:5<249:AID-JCU5>3.0.CO;2-D
   PubMed Web of Science ®Google Scholar
• Magann EF, Chauhan SP, Barrilleaux PS, Whitworth NS, McCurley S, Martin JN. Ultrasound estimate of amniotic fluid volume: color Doppler overdiagnosis of oligohydramnios. Obstet Gynecol. 2001;98(1):71–74.
   Web of Science ®Google Scholar
• Magann EF, Doherty DA, Chauhan SP, Barrilleaux SP, Verity LA, Martin JN. Effect of maternal hydration on amniotic fluid volume. Obstet Gynecol. 2003;101(6):1261–1265.
   Web of Science ®Google Scholar
• Hughes DS, Whittington JR, Kim H, Gunderman B, Ounpraseuth S, Magann EF. Is there a difference in sonographic estimation of amniotic fluid volume when measuring with the probe perpendicular to the floor compared with perpendicular to the uterine contour? J Obstet Gynaecol Can. 2019;41(9):1295–1301. doi:10.1016/j.jogc.2019.01.017
   Web of Science ®Google Scholar
• Alfirevic Z, Luckas M, Walkinshaw SA, McFarlane M, Curran R. A randomised comparison between amniotic fluid index and maximum pool depth in the monitoring of post-term pregnancy. Br J Obstet Gynaecol. 1997;104(2):207–211. doi:10.1111/j.1471-0528.1997.tb11046.x
   Google Scholar
• Magann EF, Doherty DA, Field K, Chauhan SP, Muffley PE, Morrison JC. Biophysical profile with amniotic fluid volume assessments. Obstet Gynecol. 2004;104(1):5–10. doi:10.1097/01.AOG.0000131618.14176.00
   PubMed Web of Science ®Google Scholar
• Moses J, Doherty DA, Magann EF, Chauhan SP, Morrison JC. A randomized clinical trial of the intrapartum assessment of amniotic fluid volume: amniotic fluid index versus the single deepest pocket technique. Am J Obstet Gynecol. 2004;190(6):1564–1570. doi:10.1016/j.ajog.2004.03.046
   PubMed Web of Science ®Google Scholar
• Chauhan SP, Doherty DD, Magann EF, Cahanding F, Moreno F, Klausen JH. Amniotic fluid index vs single deepest pocket technique during modified biophysical profile: a randomized clinical trial. Am J Obstet Gynecol. 2004;191(2):661–668. doi:10.1016/j.ajog.2004.06.078
   PubMed Web of Science ®Google Scholar
• Kehl S, Schelkle A, Thomas A, et al. 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. Ultrasound Obstet Gynecol. 2016;47(6):674–679.
   PubMed Web of Science ®Google Scholar
• Nabhan AF, Abdelmoula YA. Amniotic fluid index versus single deepest vertical pocket as a screening test for preventing adverse pregnancy outcome. Cochrane Database Syst Rev. 2008;2008(3):CD006593.
   Google Scholar