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  • Title: Outcome of pregnancies with first-trimester increased nuchal translucency and cystic hygroma in a tertiary maternity hospital in United Arab Emirates.
    Author: Narava S, Balbir Singh S, Barpanda S, Bricker L.
    Journal: Int J Gynaecol Obstet; 2022 Dec; 159(3):841-849. PubMed ID: 35435254.
    Abstract:
    OBJECTIVE: To study the outcome of pregnancies with first-trimester increased nuchal translucency and cystic hygromas. METHODOLOGY: Retrospective study of 132 pregnancies with first-trimester increased nuchal translucency and cystic hygromas, between January 2015 to December 2018 at Corniche Hospital, Abu Dhabi, UAE. Fetal karyotyping, detailed ultrasound at 18-22 weeks and fetal echocardiography were offered to all women. Adverse outcomes included miscarriage, intrauterine fetal death, termination of pregnancy, neonatal death and structural abnormalities. RESULTS: Of the 132 pregnancies, 13 had NT > 95th percentile, 89 had NT ≥3 mm and 30 had cystic hygroma. Among 13 pregnancies with NT > 95th centile, 7.6% had abnormal karyotype. Among 89 pregnancies with NT ≥3 mm, 29.2% had abnormal karyotype, 13.4% miscarriage, 7.8% underwent TOP, 5.6% intrauterine fetal death, 1.1% neonatal death and 14.6% had structural abnormalities. Among 30 pregnancies with cystic hygroma, 40% had abnormal karyotype, 20% miscarriage, 13.3% TOP, 13.3% intrauterine fetal death, 6.6% had neonatal death and 20% had structural abnormalities. CONCLUSION: In our study, karyotype abnormalities increased with increasing nuchal translucency with highest risk in fetuses with cystic hygromas. Increased nuchal translucency was associated with adverse pregnancy outcome, which was higher in the group with NT≥6 mm and cystic hygromas.
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