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Establishment of medical reference value range of thyroid hormone of pregnant women in early pregnancy after salt iodine content adjustment / 中华地方病学杂志
Chinese Journal of Endemiology ; (12): 873-875, 2020.
Article in Chinese | WPRIM | ID: wpr-866225
ABSTRACT

Objective:

To explore the range of medical reference value of thyroid hormone of pregnant women in early pregnancy in Jinan after adjustment of salt iodine content, so as to provide basis for clinical diagnosis and treatment of thyroid diseases of pregnant women in early pregnancy.

Methods:

A prospective study was conducted in 560 pregnant women in early pregnancy (0-13 weeks) who had underwent prenatal examination and thyroid function testing in Shandong Provincial Maternal and Child Health Care Hospital from January to December 2018. At the same time, 100 healthy non-pregnant women who were examined in the Health Examination Center of Shandong Provincial Maternal and Child Health Care Hospital were selected as the control population. Urine samples of pregnant women in early pregnancy were collected, and urinary iodine content was detected by arsenic cerium catalytic spectrophotometry. Venous blood samples were collected from pregnant women in early pregnancy and control population, the serum levels of free triiodothyronine (FT 3), free thyroxine (FT 4) and thyroid stimulating hormone (TSH) were detected by electrochemiluminescence (ECL), and the medical reference values of FT 3, FT 4 and TSH were established.

Results:

The median urinary iodine of pregnant women in early pregnancy was 162.21 μg/L, which was in the appropriate level of iodine. After the adjustment of salt iodine content, the medical reference values of FT 3, FT 4 and TSH in pregnant women in early pregnancy were 3.86-6.15 pmol/L, 12.56-22.16 pmol/L and 0.01-3.48 mU/ L, respectively; and the medical reference values of FT 3, FT 4 and TSH in control population were 3.55-6.05 pmol/L, 9.93-20.58 pmol/L and 0.54-5.92 mU/L, respectively.

Conclusions:

The iodine nutrition of pregnant women in early pregnancy in Jinan is appropriate after the adjustment of salt iodine content. The medical reference values of FT 3, FT 4 and TSH in pregnant women in early pregnancy are different from those in the healthy non-pregnant women. Therefore, it is of clinical significance to establish a medical reference value range of thyroid hormone for pregnant women in early pregnancy.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Endemiology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Endemiology Year: 2020 Type: Article