The association between monozygotic twins and posterior urethral valves (PUV) in postnatal life has been thoroughly described. In the fetus, the prenatal recognition of PUV is feasible. However, it has been repeatedly reported in singletons but never in monochorionic twins. We describe two cases of early prenatal diagnosis of concordant PUVs in monochorionic twins. In one of the sets, the expression of the disease was different for each twin.
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http://dx.doi.org/10.1002/pd.1356 | DOI Listing |
Transl Pediatr
December 2024
Department of Medical Genetics Centre, Guangdong Women and Children Hospital, Guangzhou, China.
Background: Intrauterine growth restriction (IUGR) which is judged based on birth weight and gestational age, is associated with increased neonatal mobility and mortality and also has a further impact on physical and mental health during later in life. Using the birth weight percentile for singletons to assess twins might not accurately reflect the growth status of the twins; this could potentially lead to an incorrect evaluation of growth-restricted children. For a more precise assessment of twin newborns, it is beneficial to utilize twin-specific birth weight percentile curves and ponderal index (PI) curves that consider factors such as birth order and sex.
View Article and Find Full Text PDFClin Case Rep
January 2025
Jimma Medical Center, Department of Gynecology and Obstetrics Jimma University Jimma Ethiopia.
The twin reversed arterial perfusion (TRAP) sequence is a rare complication associated with monochorionic twins. It is characterized by blood flow from the umbilical artery of the normal (pump) twin to the umbilical artery of the abnormal (acardiac) twin via artery-to-artery anastomosis. This condition is associated with 100% mortality in the acardiac twin and a high rate of perinatal morbidity and mortality in the pump twin, primarily due to intrauterine hypoxic injury, heart failure, and prematurity.
View Article and Find Full Text PDFJ Med Ultrasound
February 2024
Department of Obstetrics and Gynaecology, Tâmega e Sousa Hospital Center, Hospital Padre Américo Avenue, Porto, Portugal.
Prenat Diagn
January 2025
Department of Preventive Medicine, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy.
Introduction: Fetoscopic laser surgery (FLS) is the gold standard treatment for monochorionic (MC) twin pregnancies complicated by twin-twin transfusion syndrome (TTTS). The aim of our study was to evaluate the rate and risk factors for cord entanglement in the presence of iatrogenic monoamnioticity (iMA), a consequence of inadvertent septostomy during FLS.
Methods: This is a retrospective analysis of two consecutive cohorts of FLS performed either using the selective technique from January 2004 to January 2012, or with the Solomon technique, from that date onwards.
J Nutr Biochem
January 2025
Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University.; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan 610041, China.. Electronic address:
Zinc is an essential trace element. The regulatory mechanism of zinc and its transporters in fetal growth in monochorionic diamniotic (MCDA) twins with selective intrauterine growth restriction (MCDA-sIUGR) is unclear. A total of 45 MCDA twins were divided into two groups, MCDA (n=37) and MCDA-sIUGR (n=8), to investigate their possible effects on fetal growth.
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