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First trimester ultrasound

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https://www.readbyqxmd.com/read/29048748/accuracy-of-fetal-sex-determination-in-the-first-trimester-of-pregnancy-using-3d-virtual-reality-ultrasound
#1
Hein Bogers, Maria S Rifouna, Anton H J Koning, Margreet Husen-Ebbinge, Attie T J I Go, Peter J van der Spek, Régine P M Steegers-Theunissen, Eric A P Steegers, Niek Exalto
PURPOSE: Early detection of fetal sex is becoming more popular. The aim of this study was to evaluate the accuracy of fetal sex determination in the first trimester, using 3D virtual reality. METHODS: Three-dimensional (3D) US volumes were obtained in 112 pregnancies between 9 and 13 weeks of gestational age. They were offline projected as a hologram in the BARCO I-Space and subsequently the genital tubercle angle was measured. Separately, the 3D US aspect of the genitalia was examined for having a male or female appearance...
October 19, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29043709/estimation-of-day-specific-probabilities-of-conception-during-natural-cycle-in-women-from-babylon
#2
Hanan Al-Taee, Ban J Edan
Background: Identifying predictors of the probabilities of conception related to the timing and frequency of intercourse in the menstrual cycle is essential for couples attempting pregnancy, users of natural family planning methods, and clinicians diagnosing for possible causes of infertility. The aim of this study is to estimate the days in which the likelihood of conception happened by using first trimester ultrasound fetal biometry in natural cycles and spontaneous pregnancy, and to explore some factors that may affect them...
January 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29025835/the-climb-complex-lipids-in-mothers-and-babies-study-protocol-for-a-multicentre-three-group-parallel-randomised-controlled-trial-to-investigate-the-effect-of-supplementation-of-complex-lipids-in-pregnancy-on-maternal-ganglioside-status-and-subsequent-cognitive
#3
Shuai Huang, Ting-Ting Mo, Tom Norris, Si Sun, Ting Zhang, Ting-Li Han, Angela Rowan, Yin-Yin Xia, Hua Zhang, Hong-Bo Qi, Philip N Baker
INTRODUCTION: Complex lipids are important constituents of the central nervous system. Studies have shown that supplementation with complex milk lipids (CML) in pregnancy may increase the level of fetal gangliosides (GA), with the potential to improve cognitive outcomes. METHODS AND ANALYSIS: We aim to recruit approximately 1500 pregnant women in the first trimester (11-14 weeks) and randomise them into one of the three treatment groups: standard maternal milk formulation, CML-enhanced maternal milk formulation or no maternal milk intervention with standard pregnancy advice (ie, the standard care)...
October 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/29024208/does-the-site-of-the-cord-insertion-increase-the-risk-of-adverse-outcome-twin-to-twin-transfusion-syndrome-and-discordant-growth-in-monochorionic-twin-pregnancies
#4
Isabel Couck, Nada Mourad Tawfic, Jan Deprest, Luc De Catte, Roland Devlieger, Liesbeth Lewi
BACKGROUND: It is insufficiently known to what degree the site of the cord insertions influences the risk of a complicated outcome in monochorionic twin pregnancies. OBJECTIVES: The purpose is to examine if the site of cord insertions as determined on prenatal ultrasound scan increases the risk of adverse outcome -defined as fetal or neonatal loss or birth prior to 32 weeks-, twin-to-twin transfusion syndrome (TTTS) and discordant growth. METHODS: We retrospectively studied a consecutive cohort of monochorionic diamniotic twin pregnancies followed from the first trimester...
October 11, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29024119/automatic-segmentation-of-the-puborectalis-muscle-in-3d-transperineal-ultrasound
#5
Frieda van den Noort, Anique T M Grob, Cornelis H Slump, Carl H van der Vaart, Marijn van Stralen
OBJECTIVES: The introduction of 3D analysis of the puborectalis muscle, for diagnostic purposes, into daily practice is hindered by the need for appropriate training of the observers. Automatic 3D segmentation of the puborectalis muscle in 3D transperineal ultrasound may aid to its adaption in clinical practice. METHOD: A manual 3D segmentation protocol was developed to segment the puborectalis muscle. The data of 20 women, in their first trimester of pregnancy, was used to validate the reproducibility of this protocol...
October 11, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29023594/first-trimester-medication-abortion-practice-in-the-united-states-and-canada
#6
Heidi E Jones, Katharine O'Connell White, Wendy V Norman, Edith Guilbert, E Steve Lichtenberg, Maureen Paul
We conducted a cross-sectional survey of abortion facilities from professional networks in the United States (US, n = 703) and Canada (n = 94) to estimate the prevalence of medication abortion practices in these settings and to look at regional differences. Administrators responded to questions on gestational limits, while up to five clinicians per facility reported on 2012 medication abortion practice. At the time of fielding, mifepristone was not approved in Canada. 383 (54.5%) US and 78 (83.0%) Canadian facilities participated...
2017: PloS One
https://www.readbyqxmd.com/read/29020779/management-of-medical-termination-of-pregnancy-mtop-up-until-the-7th-week-of-gestation-in-the-czech-republic
#7
P Slunska, J Hanacek, M Fanta, B Sehnal, R Gerychová, A Hola, A Zdenkova, H Neumannová, M Dziakova, M Lubusky
OBJECTIVE: In the Czech Republic (CR), it is possible, to carry out Medical Termination of Pregnancy (MToP) in the 1st trimester since June 2014, in case a woman submits a written request for it and in case the ultrasound examination confirms an intrauterine singleton prosperous pregnancy, between day 42 and 49 of gestation, crown-rump length (CRL) of the embryo 2-9 mm. The aim of the study is to analyze the management of MToP up until the 7th week of gestation in five centres in the CR...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/29020778/-management-of-medical-termination-of-pregnancy-mtop-up-until-the-7th-week-of-gestation-in-the-czech-republic
#8
P Slunska, J Hanacek, M Fanta, B Sehnal, R Gerychová, A Hola, A Zdenkova, H Neumannová, M Dziakova, M Lubusky
OBJECTIVE: In the Czech Republic (CR), it is possible, to carry out Medical Termination of Pregnancy (MToP) in the 1st trimester since June 2014, in case a woman submits a written request for it and in case the ultrasound examination confirms an intrauterine singleton prosperous pregnancy, between day 42 and 49 of gestation, crown-rump length (CRL) of the embryo 2-9 mm. The aim of the study is to analyze the management of MToP up until the 7th week of gestation in five centres in the CR...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28978539/maternal-weight-gain-and-associations-with-longitudinal-fetal-growth-in-dichorionic-twin-pregnancies-a-prospective-cohort-study
#9
Stefanie N Hinkle, Mary L Hediger, Sungduk Kim, Paul S Albert, William Grobman, Roger B Newman, Deborah A Wing, Jagteshwar Grewal, Cuilin Zhang, Germaine M Buck Louis, Katherine L Grantz
Background: Maternal metabolic demands are much greater with twin gestations; however, there are no accepted recommendations for maternal weight gain in twin pregnancies.Objective: We assessed the association of maternal weight gain and fetal growth in dichorionic twins throughout pregnancy.Design: This was a prospective US cohort study (n = 143, 2012-2013) of dichorionic twin pregnancies with known birth outcomes followed from enrollment (11-13 wk) and for ≤6 research visits throughout gestation. Maternal prepregnancy weight was self-reported, and current weight was measured at each research visit and abstracted from prenatal records...
October 4, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28975424/forty-one-cases-of-round-ligament-varicosities-that-are-easily-misdiagnosed-as-inguinal-hernias
#10
H Yonggang, Y Jing, W Ping, G Guodong, M Chenxia, X Xiaojing, Z Fangjie, W Hao
PURPOSE: To demonstrate the benefit and safety of conservative therapy for round ligament varicosities (RLVs) that are easily misdiagnosed as inguinal hernias. METHODS: We retrospectively analyzed clinical materials of 41 consecutive cases of RLVs diagnosed by ultrasound in a single hospital from January 2011 to December 2015. Misdiagnosis rate, clinical and sonographic features, management after diagnosis and prognosis were recorded. RESULTS: All forty-one cases were pregnant females in their second or third trimester...
October 3, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28971560/re-systematic-review-of-first-trimester-ultrasound-screening-for-detection-of-fetal-structural-anomalies-and-factors-that-affect-screening-performance-j-n-karim-n-w-roberts-l-j-salomon-a-t-papageorghiou-ultrasound-obstet-gynecol-2017-50-429-441
#11
COMMENT
https://www.readbyqxmd.com/read/28963301/association-between-vomiting-in-the-first-trimester-and-preterm-birth-a-retrospective-birth-cohort-study-in-wuhan-china
#12
Ronghua Hu, Yawen Chen, Yiming Zhang, Zhengmin Qian, Yan Liu, Michael G Vaughn, Shunqing Xu, Tongzhang Zheng, Mingzhu Liu, Bin Zhang
OBJECTIVE: Although vomiting in the first trimester has been reported to be associated with preterm birth (PTB), findings supporting this association remain inconsistent. Our aim was to assess the association between vomiting and PTB, as well as evaluate if the association is modified by pre-pregnancy body mass index (BMI). DESIGN: A retrospective cohort study. SETTING: Wuhan, a central city of China. PARTICIPANTS: A total of 317 463 pregnant women who had a live, singleton newborn from 1 January 2010 to 23 May 2016 were enrolled in our study...
September 27, 2017: BMJ Open
https://www.readbyqxmd.com/read/28948411/first-trimester-emergencies-a-radiologist-s-perspective
#13
REVIEW
Catherine H Phillips, Jeremy R Wortman, Elizabeth S Ginsburg, Aaron D Sodickson, Peter M Doubilet, Bharti Khurana
The purpose of this article is to help the practitioner ensure early diagnosis and response to emergencies in the first trimester by reviewing anatomy of the developing embryo, highlighting the sonographic appearance of common first-trimester emergencies, and discussing key management pathways for treating emergent cases. First-trimester fetal development is a stepwise process that can be challenging to evaluate in the emergency department (ED) setting. This is due, in part, to the complex anatomy of early pregnancy, subtlety of the sonographic findings, and the fact that fewer than half of patients with ectopic pregnancy present with the classic clinical findings of a positive pregnancy test, vaginal bleeding, pelvic pain, and tender adnexa...
September 25, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28934257/slow-fetal-growth-between-first-and-early-second-trimester-ultrasound-scans-and-risk-of-small-for-gestational-age-sga-birth
#14
Marija Simic, Olof Stephansson, Gunnar Petersson, Sven Cnattingius, Anna-Karin Wikström
OBJECTIVES: To investigate the association between fetal growth between first and early second trimester ultrasound scan and the risk of severe small for gestational age (SGA) birth. METHODS: This cohort study included 69 550 singleton pregnancies with first trimester dating and an early second trimester growth scan in Stockholm and Gotland Counties, Sweden between 2008 and 2014. Exposure was difference in biparietal diameter growth between observed and expected at the second trimester scan, calculated by z-scores...
2017: PloS One
https://www.readbyqxmd.com/read/28931040/newborn-skin-reflection-proof-of-concept-for-a-new-approach-for-predicting-gestational-age-at-birth-a-cross-sectional-study
#15
Zilma Silveira Nogueira Reis, Gabriela Luiza Nogueira Vitral, Ingrid Michelle Fonseca de Souza, Maria Albertina Santiago Rego, Rodney Nascimento Guimaraes
BACKGROUND: Current methods to assess the gestational age during prenatal care or at birth are a global challenge. Disadvantages, such as low accessibility, high costs, and imprecision of clinical tests and ultrasonography measurements, may compromise health decisions at birth, based on the gestational age. Newborns' organs and tissues can indirectly indicate their physical maturity, and we hypothesized that evolutionary changes in their skin, detected using an optoelectronic device meter, may aid in estimating the gestational age...
2017: PloS One
https://www.readbyqxmd.com/read/28925570/first-trimester-screening-based-on-ultrasound-and-cfdna-vs-first-trimester-combined-screening-a-randomized-controlled-study
#16
Karl Oliver Kagan, Fabrina Sroka, Jiri Sonek, Harald Abele, Kai Lüthgens, Maximilian Schmid, Philipp Wagner, Sara Brucker, Diethelm Wallwiener, Markus Hoopmann
OBJECTIVE: Prospective randomized trial to compare the performance of first trimester combined screening (FTCS) with an approach that uses the combination of a detailed ultrasound examination and cfDNA analysis. METHODS: Pregnant women with a normal first-trimester ultrasound examination at 11 to 13 weeks' gestation (fetal NT ≤3.5 mm and no fetal defects) were randomized into two groups. In the first group, the risk of aneuploidy was assessed using FTCS based on the most recent FMF UK algorithm...
September 19, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28915119/cytogenetic-analysis-in-fetuses-with-late-onset-abnormal-sonographic-findings
#17
Ron Bardin, Eran Hadar, Lylach Haizler-Cohen, Rinat Gabbay-Benziv, Israel Meizner, Sarit Kahana, Josepha Yeshaya, Shiri Yacobson, Lital Cohen-Vig, Ifaat Agmon-Fishman, Lina Basel-Vanagaite, Idit Maya
OBJECTIVE: To determine the rate of chromosomal cytogenetic abnormalities in fetuses with late onset abnormal sonographic findings. DESIGN: Retrospective cohort of women who underwent amniocentesis at or beyond 23 weeks of gestation, for fetal karyotype and chromosomal microarray analysis, indicated due to late onset abnormal sonographic findings. RESULTS: All 103 fetuses had a normal karyotype. Ninety-five women also had chromosomal microarray analysis (CMA) performed...
September 15, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28890277/-prenatal-diagnosis-of-abdominal-wall-defects
#18
H El Mhabrech, H Ben Hmida, H Charfi, A Zrig, C Hafsa
Anterior abdominal wall defects (AAWD) correspond to a wide spectrum of congenital defects affecting 6.3/10,000 pregnancies. They have in common a closure defect of the anterior abdominal wall and can be fatal or expose the fetus and the neonate (NN) to many complications. This study was based on a retrospective study of 22 cases of AAWD collected between May 2009 and December 2014. Its purpose was to specify the importance of prenatal ultrasonography in the diagnosis and prognosis assessment of these defects...
September 7, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28881510/-clinical-phenotypes-of-hepatocyte-nuclear-factor-1-homeobox-b-associated-disease
#19
F Wang, Y Yao, H X Yang, C Y Shi, X X Zhang, H J Xiao, H W Zhang, B G Su, Y Q Zhang, J F Guo, J Ding
Objective: Hepatocyte nuclear factor 1 homeobox b (HNF1B) -associated disease is an autosomal dominant inherited disorder with a variable, multi-systemic phenotype. In China, five adult probands and one child proband with HNF1B-associated disease had been reported, whereas few fetuses are described. The aims of this retrospective study were to understand about the clinical manifestations of HNF1B-associated disease and to further improve the recognition of this disorder. Method: Four patients (3 males, 1 female) and three fetuses with HNF1B mutations were included in this study...
September 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28880692/clinical-outcome-of-pregnancies-with-the-prenatal-double-bubble-sign-a-five-year-experience-from-one-single-centre-in-mainland-china
#20
Yu Yang, Ping He, Dong-Zhi Li
The aim of this study was to describe the risk of aneuploidy, associated structural anomalies and clinical outcome in pregnancies with the prenatal double bubble sign. A retrospective study on ultrasound reports and pregnancy outcomes was performed in 71 foetuses with double bubble sign, who were examined at the Guangzhou Women and Children Medical Center during a five-year period. Forty-nine patients had the regular prenatal care since first trimester; of these, 20 had the sonographic sign before 24 weeks and the remaining 29 had the sonographic diagnosis after 24 weeks...
September 7, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
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