Re: dilated fetal kidney's - Dr. Marchbein, more questions..

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• In reply to: Harvey S. Marchbein, M.D.: "Re: dilated fetal kidney's"

>>Could you please explain to me why this would be the case and what action they would take if the problem still persists at 32 weeks.
>
>It's frequently a boy-penis-urethra thing. Commonly called posterior
>urethral valve syndrome (I'm presuming here with only your description
>to go on). If it persists (and it will) nothing will be done unless
>there is a large increase. Depending upon the increase, delivery may be
>indicated in a very rare number of cases.

>>If they take no action till the birth, what care will my child
>>need?
>
>Sonogram and /or IVP (kidney Xray) while in the nursery.

Hi Dr. Marchbein,

My boy has also been scheduled for a follow up ultrasound due to this dilated kidney thing. I am presuming it was mild as the doctor didn't seem particularly concerned and there was no urgency in scheduling the follow up. I am wondering - if the amount of dilation is not medically significant as to require correction/treatment, what effect could this dilation have on the baby's frequency and control of urination (could this possibly cause difficulty at a later age with learning to use the toilet or with bedwetting?), could it correct itself as the child grows, and at what point do the doctors determine that there actually is a dilation -- is this based on a statistical average of some sort much like a growth percentile or weight percentile? How is the amount of dilation measured, is this a measurement of the total size of the kidney, or how otherwise??

Thank you for your generous donation of your time to answer these and other questions on this board, I am very happy this resource exists!

--
Marshella (and son due 2/10/00 after 5.5 yrs infertility)

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