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This article, titled "OC10.07: Fetal advanced neurosonography in the first trimester of pregnancy," discusses a study that aimed to evaluate the reproducibility and feasibility of incorporating an advanced central nervous system (CNS) assessment protocol into conventional first trimester ultrasound scans. The study included 92 fetuses, and the advanced scan was successfully completed in 93.5% of cases. The researchers found that performing an advanced evaluation of the CNS in the first trimester, along with the integration of early markers for predicting CNS abnormalities, is possible with good agreement between observers and without significantly increasing the duration of the ultrasound examination. [Extracted from the article]

This article discusses a study conducted in Barcelona on the association between isolated aberrant right subclavian artery (ARSA) and genetic abnormalities in fetuses. The study found that out of 154 fetuses diagnosed with ARSA, 116 were isolated cases and 38 were associated with other structural anomalies. Genetic abnormalities were detected in 4 fetuses, all of which had associated structural defects. However, no genetic disorders or postnatal compressive symptoms were found in the isolated ARSA group. The study concludes that isolated ARSA does not appear to be a risk factor for genetic disorders. [Extracted from the article]

A case study published in the journal "Ultrasound in Obstetrics & Gynecology" describes a 35-year-old pregnant patient who presented with a facial mass detected during a routine ultrasound scan at 28.6 weeks of gestation. The mass, diagnosed as a facial hemangioma, was confirmed by MRI and showed an increase in volume throughout the pregnancy. An elective Caesarean section was performed at 37.4 weeks, and a healthy baby boy was born with the hemangioma. The mass spontaneously regressed during the baby's first year of life. [Extracted from the article]

This article discusses a case study of a 32-year-old pregnant woman who sought a second opinion on the diagnosis of severe intrauterine growth restriction (IUGR). Ultrasound confirmed the diagnosis and revealed a thin midline thoracic wall with a pulsatile heart. Further examinations, including fetal echocardiography and MRI, confirmed a sternal cleft and other related abnormalities. The baby was delivered vaginally at 38.5 weeks and underwent corrective surgery at 28 days old. The procedure was successful, and the baby recovered well. [Extracted from the article]

Hydrops fetalis is a term that describes the accumulation of fluid in two or more soft tissues and cavities and is one of the main factors that predispose to adverse neonatal outcome, in terms of both survival and neurodevelopment. 2 Figueroa-Diesel H, Hernandez-Andrade E, Benavides-Serralde A, Crispi F, Acosta-Rojas R, Cabero L, Gratacos E. Cerebral venous blood flow in growth restricted fetuses with an abnormal blood flow in the umbilical artery before 32 weeks of gestation. [Extracted from the article]

Objective: To assess the effectiveness of laser surgery in fetuses with a cystic lung lesion with systemic arterial blood supply (hybrid lung lesion) at risk of perinatal death.Methods: A cohort of five consecutive fetuses with a large hybrid lung lesion associated with hydrops and/or pleural effusion with severe lung compression was selected for percutaneous ultrasound-guided fetal laser ablation of the feeding artery (FLAFA) before 32 weeks' gestation in a single tertiary national referral center in Queretaro, Mexico. The primary outcomes were survival and need for postnatal surgery.Results: FLAFA was performed successfully in all cases at a median gestational age of 24.9 (range, 24.4-31.7) weeks. After fetal intervention, dimensions in both lungs increased and fluid effusions resolved in all cases. All cases were delivered liveborn at term at a median gestational age of 39.6 (range, 38.0-39.7) weeks, without respiratory morbidity or need for oxygen support, resulting in perinatal survival of 100%. During follow-up, three (60%) cases showed progressive regression of the entire lung mass and did not require postnatal surgery, whereas in two (40%) cases a progressive decrease in size of the mass was observed but a cystic portion of the lung mass persisted and postnatal lobectomy was required.Conclusion: In fetuses with large hybrid lung lesions at risk of perinatal death, FLAFA is feasible and could improve survival and decrease the need for postnatal surgery. Copyright © 2016 ISUOG. Published by John Wiley & Sons Ltd. [ABSTRACT FROM AUTHOR]

An abstract of the research paper "First-Trimester Ductus Venosus Screening for Fetal Aneuploidies in Multiple Pregnancies," by P. Prats and colleagues is presented.

An abstract of the conference paper "Twin pregnancy: screening test for spontaneous preterm delivery and preeclampsia during the second trimester of pregnancy," by G. Rencoret and colleagues is presented.

An abstract of the conference paper "First-trimester nuchal translucency screening for fetal aneuploidies in multiple pregnancies," by P. Prats, and colleagues is presented.