Welcome to HCM
read your prob, suchtype of disease occure due to any obstruction of urinary out put of fetus so it flow retrograd n develop this disease. you have 20th wk now so you dont bother some times it subsides gradually after birth when baby micturate self or by catheter.
some this is due to some congenital abnormality in urinary tract
system then surgury is only choice. there is nothing to worry in surgury as its out come is 100%
Dr aseem 9982583020