OB-GYN-L Messages for May, 2007: Re: amniotic fluid

Re: amniotic fluid

From: Andrew Folley

agfolley@hotmail.com

Wed May 16 08:58:54 2007

What is amniotic fluid? Amniotic fluid is an important part of pregnancy and fetal development. This watery fluid is inside a casing called the amniotic membrane (or sac) and fluid surrounds the fetus throughout pregnancy. Normal amounts may vary, but, generally, women carry about 500 ml of amniotic fluid. Amniotic fluid helps protect and cushion the fetus and plays an important role in the development of many of the fetal organs including the lungs, kidneys, and gastrointestinal tract. Fluid is produced by the fetal lungs and kidneys. It is taken up with fetal swallowing and sent across the placenta to the mother’s circulation. Amniotic fluid problems occur in about 7 percent of pregnancies. Too much or too little amniotic fluid is associated with abnormalities in development and pregnancy complications. Differences in the amount of fluid may be the cause or the result of the problem.

>From: "Raymond Stephen" <stephen.raymond@dhhs.tas.gov.au>
>Reply-To: ob-gyn-l@obgyn.net
>To: Multiple recipients of list OB-GYN-L <ob-gyn-l@dns.obgyn.net>
>Subject: RE: Difficult case
>Date: Tue, 15 May 2007 18:21:22 -0500
>
>So at term the amniotic fluid is just plain urine?
>
>The placenta remains the major source of amniotic fluid from beginning
>to end.
>
>Steve
>
>________________________________
>
>________________________________
>From: ob-gyn-l@obgyn.net [mailto:ob-gyn-l@obgyn.net] On Behalf Of R.
>Daniel Braun
>Sent: Wednesday, 16 May 2007 12:12 AM
>To: Multiple recipients of list OB-GYN-L
>Subject: Re: Difficult case
>
>The fetal kidney is the MAJOR source of amniotic fluid at this stage.
>
>Dan
>
>On 5/15/07, Raymond Stephen <stephen.raymond@dhhs.tas.gov.au> wrote:
>
>Are you trying to say that the fetal kidney is a more important source
>of Amniotic Fluid than the placenta? My guess is the oligohydramnios
>comes from poor placental function.
>
>Steve
>
>________________________________
>
>________________________________
>From: ob-gyn-l@obgyn.net [mailto: ob-gyn-l@obgyn.net
><mailto:ob-gyn-l@obgyn.net> ] On Behalf Of AllanHo@aol.com
>Sent: Tuesday, 15 May 2007 1:58 PM
>To: Multiple recipients of list OB-GYN-L
>Subject: Re: Difficult case
>
>If I have to guess, it would be because of the oligohydramnios. I would
>suspect the babies kidneys are not being well perfused. Perhaps the
>baby's circulation is compromised by the abruption.
>
>Allan
>
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