Expectant management of viable cesarean scar pregnancies: a systematic review.

Objective: Cesarean scar pregnancy (CSP) is a potentially life-threatening disease that has been steadily increasing in prevalence. Pregnancy termination is usually recommended given the risk of life-threatening complications. In some cases, patients refuse to terminate viable CSPs, even after counseling.

Analysis of the Correlation/Agreement of Maternal-fetal Doppler Parameters in Normal and Growth-Restricted Fetuses.

Objective:  To assess the degree of correlation/agreement of maternal-fetal Doppler parameters between normal and growth-restricted fetuses (fetal growth restriction [FGR]).

Methods:  The present observational and retrospective study included 274 singleton pregnancies. The following maternal-fetal Doppler parameters were assessed: uterine artery (UAt), umbilical artery (UA), middle cerebral artery (MCA), cerebroplacental ratio (CPR), and umbilical-cerebral ratio (U/C).

Performance of a local reference curve for predicting small for gestational age fetuses in pregnant women with HIV/AIDS.

Purpose: To compare the performance of a local estimated fetal weight curve with curves established for other populations to predict small for gestational age (SGA) fetuses.

Methods: A retrospective and cross-sectional study involving 231 fetuses in which the performance of a local curve (proposed model) was compared with the Hadlock and Intergrowth-21st curves in the prediction of SGA fetuses, by applying them to a population of high-risk pregnant woman with HIV/AIDS. For each model, a receiver operating characteristic curve was adjusted, considering the SGA classification by the neonatal Intergrowth method as the gold standard, and the area under the curve (AUC) was calculated.

Twin-twin transfusion syndrome - a University Hospital experience with intrauterine treatment.

Introduction: twin-to-twin transfusion syndrome (TTTS), defined by combination of polyhydramnios-oligohydramnios, is the most prevalent (5%-35%) of the abnormalities due to placental vascular anastomoses and the most lethal (80%-100% mortality) if untreated. Fetoscopic laser ablation of abnormal vasculature using the Solomon technique is the gold standard approach. It consists of interrupting the intertwin blood flow.

Performance of local reference curve on the diagnosis of large for gestational age fetuses in diabetic pregnant women.

Objective: To evaluate the performance of a local fetal weight curve based on the prediction for large gestational age (LGA) newborns in diabetic pregnant women and to compare it to reference curves established for other populations.

Method: A reference model for estimated fetal weight was created from a local sample of 2211 singleton low-risk pregnancies. The estimated fetal weight from 194 women with gestational diabetes mellitus was then plotted on this curve, and the results were compared to those obtained by Intergrowth 21st and Hadlock curves.

Local References for Ultrasound-Estimated Fetal Weight Based on 2,211 Singleton Pregnancies in the City of Curitiba, South of Brazil.

Objective:  To develop reference curves of estimated fetal weight for a local population in Curitiba, South of Brazil, and compare them with the curves established for other populations.

Methods:  An observational, cross-sectional, retrospective study was conducted. A reference model for estimated fetal weight was developed using a local sample of 2,211 singleton pregnancies with low risk of growth disorders and well-defined gestational age.

Reference values for the cervical length measurement in the second trimester of pregnancy using the transvaginal ultrasound in a large Brazilian population.

To establish reference values for the cervical length (CL) measurement by transvaginal ultrasound between 20 and 24+6 weeks of gestation in a large Brazilian population. A retrospective cross-sectional study was performed with 996 singleton pregnancies. The CL measurement (mm) using the transvaginal ultrasound was obtained in a sagittal view and the calipers positioned to measure the linear distance between the triangular area of echodensity at the external os and the internal os.

Reproducibility of placental maturity grade classification using a dynamic ultrasonography.

Objective: To evaluate the agreement between ultrasonographers in classifying placental maturity grade using examination videos.

Methods: A prospective, cross-sectional study was conducted using 25 videos of ultrasonographic examinations of single, healthy pregnancies ≥ 34 + 0 weeks. The Grannum (grades 0, I, II and III) and Julio (grades 0, 1, 2A, 2B and 3) classifications were used for placental maturity grade.

Auditing fetal nasal bone images in the first trimester of pregnancy: results from a peer review program.

Objective: To establish a structured review process to facilitate the identification of the fetal nasal bone (NB) in the first trimester ultrasound scan to improve the quality images.

Methods: We conducted a retrospective observational study in fetal NB images obtained during ultrasound exams of singleton pregnancies that underwent first trimester screening (crown-rump length 45-84 mm). When the images were obtained the examiner was not aware of the study.

Applicability of pocket ultrasound during the first trimester of pregnancy.

Aim: To determine the applicability of pocket ultrasound as a complementary method for clinical evaluation during the first trimester of pregnancy.

Material And Methods: A prospective cross-sectional study was conducted with 86 pregnant women attended in an emergency. The same operator performed the first examination with pocket device Vscan (General Electric, Vingmed Ultrasound, Horten, Norway) and then repeated the exam using a traditional handset high resolution Voluson 730 Expert (General Electric Healthcare Ultrasound, Milwaukee, WI, USA).

Reference intervals of fetal cisterna magna volume by two-dimensional method using the multiplanar mode of three-dimensional ultrasonography.

Objective: To establish reference intervals for the fetal cisterna magna volume by means of two-dimensional (2D) method using the multiplanar mode of three-dimensional ultrasonography.

Materials And Methods: Cross-sectional study with 224 healthy pregnant women between the 17th and 29th gestational weeks. The volume was automatically obtained by multiplying the three major axes in axial and sagittal planes by the constant 0.

Reference ranges of fetal cisterna magna length and area measurements by 3-dimensional ultrasonography using the multiplanar mode.

This study aimed to establish reference values for the length and area of the fetal cisterna magna using the multiplanar mode of 3-dimensional ultrasonography. A cross-sectional study including 224 normal pregnant women between 17 weeks 0 days and 29 weeks 6 days of gestation was carried out. The area and length of the fetal cisterna magna were measured in the axial plane at the level of the cerebellar transverse diameter.

Reference range of fetal cisterna magna volume by three-dimensional ultrasonography using the VOCAL method.

Objective: To determine reference values for the fetal cisterna magna volume by three-dimensional ultrasonography (3DUS) using the virtual organ computer-aided analysis (VOCAL) method.

Methods: A cross-sectional study was conducted with 224 healthy pregnant women between 17 and 29 completed weeks. Measurement of the fetal cisterna magna volume was performed in the standard axial plane of the transverse diameter of the cerebellum through the VOCAL method with a 30° angle.

Laparoscopic treatment of intrauterine fallopian tube incarceration.

Herniation of the pelvic structures into the uterine cavity (appendix vermiformis, small bowel, omentum, or fallopian tube) may occur after uterine perforation. In this paper, we describe one case of intrauterine fallopian tube incarceration treated by means of laparoscopic surgery.

Diastrophic dysplasia: prenatal diagnosis and review of the literature.

Context: Diastrophic dysplasia is a type of osteochondrodysplasia caused by homozygous mutation in the gene DTDST (diastrophic dysplasia sulfate transporter gene). Abnormalities occurring particularly in the skeletal and cartilaginous system are typical of the disease, which has an incidence of 1 in 100,000 live births.

Case Report: The case of a pregnant woman, without any consanguineous relationship with her husband, whose fetus was diagnosed with skeletal dysplasia based on ultrasound findings and DNA tests, is described.

Prenatal diagnosis of Nager syndrome in the third trimester of pregnancy and anatomopathological correlation.

Nager syndrome or acrofacial dysostosis is a rare and complex malformation characterized by ear anomalies, micrognathia, radial limb hypoplasia, and absence of the thumb or other fingers. Since the original description of the syndrome in 1948, there have only been four reports of prenatal diagnoses in the literature, all during the second trimester, and only two of them had anatomopathological correlations. We describe a case of Nager syndrome that was suspected in the third trimester of gestation and confirmed postnatally through pathology.

Measurements and planes assessed during second-trimester scans in Brazil: an online survey.

Objective: The purpose of this study was to estimate what measurements and planes are being assessed during second-trimester scan in Brazil, some characteristics from performing physicians and whether informed consent is being asked.

Methods: Invitational e-mails were sent for all physicians registered in the database from three institutions. Participants who agreed to participate were directed to an online survey consisting 21 questions.

The role of nuchal translucency in the screening for congenital heart defects.

Objective: Assess the accuracy of the nuchal translucency (NT) measurement between 11 and 13 weeks and 6 days of gestation as a sonographic marker to screen for congenital heart defects (CHD).

Methods: This is a multi-center retrospective study in which singleton gestations of euploid fetuses were analyzed. NT measurement was performed in the first trimester examination when the fetal crown-rump length (CRL) was 45 to 84 mm, according to the criteria established by the Fetal Medicine Foundation.