Re: update on superfetation vs severe IUGR

From: ainsron@msn.com
Thu Mar 8 19:07:17 2001


That is true when we have uncertain dating, however in this case the Ob had an early ultrasound which confirmed dates, and the consultant MFM decided that his later exam was more accurate and threw out the earlier ultrasound. Classic example of how to get yourself in trouble by thinking you, the specialist in the big city, are the ultimate source of truth and others, the "local medical docs," are not quite so bright (otherwise they would be in the big city with you). I had a similar problem with a set of discordant twins that I sent to "the big city hospital." The perinatologist said no problem and sent them back. I continued to sweat bullets for a week, finally tapped them and delivered discordant twins, one was 2.5#, the other 6# at 37 weeks. Both did well, but it was the last time I referred to that facility.

>
>This is a classic dilemma in fetal medicine - is the baby small for
>dates or is it wrong dates? In general the symmetry or otherwise of the
>measurements is a clue - most babies show asymmmetric growth when IUGR
>occurs - i.e. the BPD is ahead of the other parameters, but a proportion
>do not. It depends on your population. Here we find that symmetric
>growth retardation is the norm and that asymmetry is much less common.
>Was this patient of African extraction?
>
>--
>Dr. S.H. Raymond
>Department of Obstetrics & Gynaecology
>Empangeni Hospital
>Private Bag X20005
>Empangeni
>South Africa 3880
>Ph. (+27) (035) 7721111
>Fax (+27) (035) 7922596
>

--
Ronald E. Ainsworth, MD




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