Re: placenta- 19/03/99

From: Terry J. DuBose (DuBoseTerryJ@Exchange.UAMS.edu)
Mon Mar 22 16:21:37 1999


Dr. Antony, in general I believe you are correct. Usually the placenta will not reach from the fundus to the os. However, there is a relationship of the placental mass to the placental "foot-print" and shape. A relatively thin placenta, which is narrow in on dimension, may compensate by being longer in another dimension. This is discussed in: Table adapted from graph in Hoddick WK, Mahony BS, Callen PW and Filly RA; "Placental Thickness"; J Ultrasound Med, 1985; 4:479-482.

Good luck, please let the list know what you find about this placenta.

Peace, Terry J. DuBose, M.S., RDMS Chair, Ultrasound section OBGYN.net ----------

At Fri, 19 Mar 1999, JOE ANTONY wrote: >
>Dear netters,
>I saw a large placenta today. The upper margin reaches upto the fundus
>and lower margin reaches upto internal os. It was a late 2nd trimester.
>I've asked for a follow up scan. Usually, if the upper margin is at
>fundus, then the lower margin should be far from the os- am I right?
>Please give me your comments.
>REGARDS, DR. JOE ANTONY.

--
Peace, Terry J. DuBose, M.S., RDMS, FAIUM
University of Arkansas for Medical Sciences, USA
Director, Diagnostic Sonography Program
http://www.uams.edu/chrp/dmshome.htm
VOICE: 501-686-6510	FAX: 501-686-6513
Chair, http://www.obgyn.net/us/us.htm
http://www.io.com/~dubose/
Now is the time for all good folks to come to the aid of the Earth.



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