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Year : 2010  |  Volume : 13  |  Issue : 1  |  Page : 51-54

Evaluation of hydronephrosis, during pregnancy in Nigerian women

1 Department of Radiology, University of Ilorin Teaching Hospital, Ilorin, Nigeria
2 Department of Obstetrics and Gynaecology, Federal Medical Centre Lokoja, Nigeria

Correspondence Address:
O I Oyinloye
Department of Radiology, University of Ilorin Teaching Hospital, Ilorin
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Source of Support: None, Conflict of Interest: None

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Objective: Hydronephrosis is common during pregnancy. However, pattern of dilatation and effect of urinary tract problems are still largely controversial. The study aims to determine, the pattern of dilatation of the collecting system during pregnancy, effect of urinary tract problems and parity on the degree of dilatation, in our environment. Materials and Methods: Subjects were 135 women with singleton pregnancy (Gestational age of 12-40 weeks) and 43 non- pregnant women of child bearing age, referred to the ultrasound unit of Federal Medical centre Lokoja,Nigeria, for routine obstetrics sonography. Duration was, from January 2004 to may 2004. The pelvicalyceal diameters were measured and classified into mild, moderate or severe dilatation. Result: Hydronephrosis of pregnancy was found to have an incidence of 93.4% on the right side and 84.4% on the left side. A linear relationship was established between gestational age and mean pelvicalyceal diameters for both kidneys. Mean pelvicalyceal diameter was higher in women with urinary tract problems than those without, and this was statistically significant for the right kidney.(p>0.05).No association was however found with parity. Conclusion: Hydronephrosis is common in pregnancy with a right sided predominance.Pelvicalyceal diameter increases gradually throughout pregnancy with advancing gestational age. Urinary tract problems seem to cause increase in pelvicalyceal diameter while parity has no influence.

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