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Article: Management of hypothyroidism during pregnancy
- Article from:
- Canadian Medical Association. Journal
- Article date:
- April 10, 2007
- Author:
CopyrightCopyright Canadian Medical Association Apr 10, 2007. Provided by ProQuest LLC. (Hide copyright information)
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TEACHING CASE REPORT
The case: A 33-year-old woman had received a diagnosis of primary hypothyroidism when she was 23 years of age and had been taking an essentially stable dose of levothyroxine (0.112 mg/d) for at least 2 years. The patient began taking folic acid supplements (1 mg/d) 2 months before a natural, planned conception occurred. About 7 weeks before becoming pregnant, her thyroid stimulating hormone level was 5.95 mU/L, and the levothyroxine dose was increased to 0.116 mg/d. Pregnancy was confirmed by means of a urine home pregnancy test 4 weeks after her last menstrual period. At that time, the patient stopped taking folic acid supplements and, simultaneously with the ...