Afshin Rezazadeh, Sara Masihi, Masoud Zadkarami, Hassan Dehghan

Prenatal Mild Pyelectasis: Result of Screening and Follow up in 3450 cases in Ahwaz City

Afshin Rezazadeh, Sara Masihi, Masoud Zadkarami, Hassan Dehghan



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ABSTRACT
Aim. To determine prevalence and outcome of fetuses with mild pyelectasis during pregnancy and after birth.
Methods: A retrospective study on 3450 women who were referred for second-trimester ultrasound. Fetuses with mild pyelectasis were followed.
Results: 105 (3%) fetuses with mild pyelectasiswere identified in women with mean age of 30 ±3.7 years.77 fetuses (73.3%) were male and 28 cases (26.7%) were female.(P-value =0.06) 29 cases (27.6%) were gravid one, 46 cases (43.8%) were gravid two and 30 cases (28.6%) were gravid three. 71 cases (67.6%) were in the low risk group of aneuploidy, 17 (16.2%) in the intermediate risk group and 17 (16.2%) in the high risk group. Seven cases (6.7%) had cell free testing, all of which were in low risk group. One major cardiac abnormality was reported. Two (1.9%) cases had IUFD. In 9 cases (8.6%), third trimester follow-up ultrasound showed an increase in pyelectasis. Five case (4.8%) had pre-term delivery, 84 cases (80%) term delivery and 8 cases (7.6%) post-term delivery. 89 neonates (84.8%) weighed between 2500 and 4000 grams. 9 (8.7%) cases were admitted to NICU. All neonates had normal phenotype. On follow-up sonographic exam one week after birth, 11 cases (10.6%) showed urinary tract dilation.
Conclusions: Without association with other structural abnormality, motherswho have fetuses with isolated MP must be reassured that the prenatal and postnatal outcomes are good. However 3rd trimester and postnatal follow up for best recommendation is needed.
Key words: Ultrasonography, Fetus, Mild pyelectasis, Outcome


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