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Re: Iodine 131From: Braun, R. Daniel (rbraun@iupui.edu)Fri Feb 14 10:35:05 2003
The fetal thyroid doesn't start functioning until around 11 weeks. In order for the I 131 to ablate the fetal thyroid, it has to be functioning. Therefore theoretically it shouldn't be a problem. Dan -----Original Message----- From: Steve Raymond [mailto:eryl@intekom.co.za] Sent: Friday, February 14, 2003 12:24 PM To: Multiple recipients of list OB-GYN-L Subject: Iodine 131 A patient had her last period on 10th December. On 14th January she had a dose of I131 for thyrotoxicosis. Now she is almost ten weeks pregnant. Some are saying she should have a termination, others aren't convinced. The half life of I131 is five days. Anyone struck this question before. Opinions please Steve
-- S.H. Raymond FRCOG Principal Specialist Department of Obstetrics & Gynaecology Empangeni Hospital Private Bag X20005 Empangeni SOUTH AFRICA 3880
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