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Evaluation and Management of Congenital Cytomegalovirus Infection.

Obstet Gynecol

January 2025

Medical Practice Evaluation Center, the Division of Infectious Disease, and the Division of Maternal Fetal Medicine, Massachusetts General Hospital, Boston, Massachusetts; the Department of Pediatrics, Centre Hospitalier Universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada; and the Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, New York.

The purpose of this review is to serve as an update on congenital cytomegalovirus (CMV) evaluation and management for obstetrician-gynecologists and to provide a framework for counseling birthing people at risk for or diagnosed with a primary CMV infection or reactivation or reinfection during pregnancy. A DNA virus, CMV is the most common congenital viral infection and the most common cause of nongenetic childhood hearing loss in the United States. The risk of congenital CMV infection from transplacental viral transfer depends on the gestational age at the time of maternal infection and whether the infection is primary or nonprimary.

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Evidence-based Diagnosis and Treatment of Vasa Previa.

Clin Obstet Gynecol

March 2025

Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, NYU Langone Health, New York, NY.

Vasa previa is an abnormality of the umbilical cord and fetal membranes that affects ∼1 in 1300 pregnancies. The diagnosis is made by visualization of velamentous fetal vessels coursing within the membranes over the cervix unprotected by Wharton jelly or placenta. When it is not diagnosed prenatally, it is associated with a high risk of fetal death.

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Imaging of the Placenta.

Clin Obstet Gynecol

March 2025

Department of Obstetrics, Gynecology and Reproductive Sciences, School of Medicine, University of Maryland, College Park, Maryland.

Placental imaging is crucial in prenatal care, offering insights into both normal and abnormal pregnancies. Traditional methods like grayscale ultrasound and magnetic resonance imaging evaluate placental anatomy, whereas Doppler ultrasound is used for functional assessment. Recent advancements include functional magnetic resonance imaging and advanced Doppler software for demonstrating placental density and visualizing spiral arteries.

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: NIPT is a widely implemented method for prenatal screening of chromosomal disorders. Its introduction initiated the practice of counseling women pre- and post-analytically. Since the test's usage is established in different conditions, comparing data from various socioeconomic and cultural backgrounds would be of scientific value.

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Congenital chloride diarrhea (CCD) is a rare autosomal recessive disorder resulting from mutations in the SLC26A3 gene, leading to significant electrolyte imbalances and watery diarrhea starting in the prenatal period. Although prenatal diagnosis is ideal, many cases are identified postnatally. This case report details an 18-year-old primigravid lady in her third trimester who presented with severe polyhydramnios and fetal bowel dilation observed via ultrasound.

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