Hysterotomy level at cesarean section and occurrence of large scar defects: a randomized single ‐blind trial
ConclusionThe cesarean hysterotomy level in women in advanced labor is associated with the occurrence of large scar defects detected by transvaginal ultrasound 6 ‐9 months after delivery.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 28, 2018 Category: Radiology Authors: Olga Vikhareva, Gisela Skott Rickle, Tony Lavesson, Ekaterina Nedopekina, Karin Brandell, Kjell Å. Salvesen Tags: Original Paper Source Type: research

Evaluation of automated tool for 2D fetal biometry
ConclusionThe automated tool correctly identified the biometric variable in 99% of frozen images. The resulting measurements have a high degree of accuracy and compare well with previously published manual to manual agreement. The measurements exhibited bias, with the automated tool underestimating biometry; this could be overcome by further improvements in the algorithm. Nevertheless, adjustable calipers for manual correction remains a requirement.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 27, 2018 Category: Radiology Authors: I. Salim, A. Cavallaro, C. Ciofolo ‐Veit, L. Rouet, C. Raynaud, B. Mory, A. Collet Billon, G. Harrison, D. Roundhill, A. T. Papageorghiou Tags: Original Paper Source Type: research

Fetal fraction ‐based risk algorithm for non‐invasive prenatal testing: screening for trisomies 13 and 18 and triploidy in women with low cell‐free fetal DNA
ConclusionsFor pregnancies with a FF too low to receive a result on standard NIPT, the FFBR algorithm identified a subset of cases at increased risk for trisomy 13, trisomy 18 or triploidy. For the remainder of cases, the risk of a fetal chromosomal abnormality was unchanged from that expected based on MA and GA. © 2018 The Authors.Ultrasound in Obstetrics& Gynecology published by John Wiley& Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 26, 2018 Category: Radiology Authors: T. McKanna, A. Ryan, S. Krinshpun, S. Kareht, K. Marchand, C. Grabarits, M. Ali, A. McElheny, K. Gardiner, K. LeChien, M. Hsu, D. Saltzman, M. Stosic, K. Martin, P. Benn Tags: Original Paper Source Type: research

How to assess the ureters during pelvic ultrasound
ConclusionThe pelvic segments of normal ureters can be identified in almost all women on transvaginal ultrasound examination and the method described is useful in detecting urinary tract abnormalities.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 26, 2018 Category: Radiology Authors: Elisabeth Bean, Joel Naftalin, Davor Jurkovic Tags: Editorial Source Type: research

First ‐trimester and combined first‐ and second‐trimester prediction of small‐for‐gestational age and late fetal growth restriction
ConclusionsA simple model combining maternal and first ‐ and second‐trimester predictors can detect 60% of fetuses that will develop late FGR, and 79% of those fetuses that will be classified prenatally as late FGR, for a 10% FPR. Copyright © 2018 ISUOG. Published by John Wiley& Sons Ltd. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 26, 2018 Category: Radiology Authors: A. Sotiriadis, F. Figueras, M. Eleftheriades, G. K. Papaioannou, G. Chorozoglou, K. Dinas, N. Papantoniou Tags: Original Paper Source Type: research

Fetal fraction ‐based risk algorithm for non‐invasive prenatal testing: screening for trisomies 13 and 18 and triploidy in women with low cell‐free fetal DNA
ConclusionsFor pregnancies with a FF too low to receive a result on standard NIPT, the FFBR algorithm identified a subset of cases at increased risk for trisomy 13, trisomy 18 or triploidy. For the remainder of cases, the risk of a fetal chromosomal abnormality was unchanged from that expected based on MA and GA. © 2018 The Authors.Ultrasound in Obstetrics& Gynecology published by John Wiley& Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 26, 2018 Category: Radiology Authors: T. McKanna, A. Ryan, S. Krinshpun, S. Kareht, K. Marchand, C. Grabarits, M. Ali, A. McElheny, K. Gardiner, K. LeChien, M. Hsu, D. Saltzman, M. Stosic, K. Martin, P. Benn Tags: Original Paper Source Type: research

How to assess the ureters during pelvic ultrasound
ConclusionThe pelvic segments of normal ureters can be identified in almost all women on transvaginal ultrasound examination and the method described is useful in detecting urinary tract abnormalities.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 26, 2018 Category: Radiology Authors: Elisabeth Bean, Joel Naftalin, Davor Jurkovic Tags: Editorial Source Type: research

Influence of maternal characteristics and gestational age on haemodynamic indices: NICOM device ‐specific reference ranges
ConclusionsThis study presents device ‐specific reference ranges for stroke volume, cardiac output and systemic vascular resistance for the NICOM® device in pregnancy and describes the maternal characteristics that are associated with the values of these haemodynamic measurements. Studies using NICOM® in pregnancy can use these ranges in order to evaluate observations relative to those expected in uncomplicated pregnancies conditional on maternal characteristics.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 22, 2018 Category: Radiology Authors: Helen Perry, Oliver Stirrup, Juande Gutierrez, Dimuthu Vinayagam, Basky Thilaganathan, Asma Khalil Tags: Original Paper Source Type: research

Deep learning enables automatic quantitative assessment of the puborectalis muscle and the urogenital hiatus in the plane of minimal hiatal dimensions
ConclusionDeep learning can be used to automatically and reliably segment the PRM and UH in 2D, in the plane of minimal hiatal dimensions, of the nulliparous female pelvic floor. These segmentations can be used to reliably measure the parameters; hiatal dimensions, PRM length and MEP.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 21, 2018 Category: Radiology Authors: F. van den Noort, C. H. van der Vaart, A. T. M. Grob, M. K. van de Waarsenburg, C.H. Slump, M. van Stralen Tags: Original Paper Source Type: research

Physiological effects of cold ‐dry versus heated‐humidified partial amniotic carbon dioxide insufflation in sheep
ConclusionsCold ‐dry PACI caused fetal hypercapnia, acidosis, hypotension and fetal membrane inflammation in sheep raising potential concerns for use in humans. Heated‐humidified PACI partially mitigated these effects and may be a suitable alternative that reduces the risk of fetal acid base disturbances and fe tal membrane inflammation following complex fetoscopic surgery.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 21, 2018 Category: Radiology Authors: B. Amberg, R. Hodges, A. Kashyap, S. Skinner, K. Rodgers, E. Mcgillick, J. Deprest, S. Hooper, K. Crossley, P. Dekoninck Tags: Original Paper Source Type: research

Echogenicity of the puborectalis muscle, the cervix and the vastus lateralis muscle in pregnancy in relation to mode of delivery
ConclusionIn a second, independent multicenter dataset we were unable to confirm our previous finding that the hiatal dimensions and MEP on contraction were statistically significant associated with the mode of delivery. The overall lower MEP in all women was caused by to a higher depth in all ultrasound images of the current study.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 21, 2018 Category: Radiology Authors: M. K. Van de Waarsenburg, M. I. J. Withagen, F. van den Noort, J. H. Schagen van Leeuwen, C. H. van der Vaart Tags: Original Paper Source Type: research

Deep learning enables automatic quantitative assessment of the puborectalis muscle and the urogenital hiatus in the plane of minimal hiatal dimensions
ConclusionDeep learning can be used to automatically and reliably segment the PRM and UH in 2D, in the plane of minimal hiatal dimensions, of the nulliparous female pelvic floor. These segmentations can be used to reliably measure the parameters; hiatal dimensions, PRM length and MEP.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 21, 2018 Category: Radiology Authors: F. van den Noort, C. H. van der Vaart, A. T. M. Grob, M. K. van de Waarsenburg, C.H. Slump, M. van Stralen Tags: Original Paper Source Type: research

Physiological effects of cold ‐dry versus heated‐humidified partial amniotic carbon dioxide insufflation in sheep
ConclusionsCold ‐dry PACI caused fetal hypercapnia, acidosis, hypotension and fetal membrane inflammation in sheep raising potential concerns for use in humans. Heated‐humidified PACI partially mitigated these effects and may be a suitable alternative that reduces the risk of fetal acid base disturbances and fe tal membrane inflammation following complex fetoscopic surgery.This article is protected by copyright. All rights reserved. (Source: Ultrasound in Obstetrics and Gynecology)
Source: Ultrasound in Obstetrics and Gynecology - November 21, 2018 Category: Radiology Authors: B. Amberg, R. Hodges, A. Kashyap, S. Skinner, K. Rodgers, E. Mcgillick, J. Deprest, S. Hooper, K. Crossley, P. Dekoninck Tags: Original Paper Source Type: research