Study of  association between Thyroid Dysfunction and
BMI in women with type 2 Diabetes Mellitus

Dr. Chaithanya R^1*, Dr. Sharath Kumar D Shah², Dr Nataraj G³

¹Final Year Post Graduate, ²Professor and Head, ³Professor, Department of General Medicine,
Sri Siddhartha Medical College, SSAHE, Tumkur,
Karnataka, India

* Corresponding author

Abstract

Introduction/Background: Thyroid illness is more common in women and it can increase the risk of cardiovascular diseases and can have an influence on bone health and on fertility as well. Hypothyroidism, whether it is subclinical or clinical/overt have got association with insulin resistance and variation in BMI.  Aim of the study: To determine the association between thyroid dysfunction and BMI in women with type 2 diabetes mellitus . Materials and methods: A Cross -sectional study done in the department of general medicine at Sri Siddhartha Medical College & Hospital, Tumkur in female type 2 diabetic patients for duration of 18 months between January 2021 to July 2022. Results : Hypothyroidism cases constitute 15.3% cases, Subclinical Hypothyroidism cases constitute 1.02% cases and Hyperthyroidism cases constitute 4.08% in the BMI range of 22-25 kg/m2 (normal). Hypothyroidism cases constitute 6.2% cases and subclinical hypothyroidism cases consitiute 4.08% in the BMI range of  26-29 kg/m2 (over weight). Hypothyroidism cases constitute 2.04% cases and Subclinical hypothyroidism cases constitute 3.25% in BMI range of  >30 kg/m2( obese). Conclusion: In our study done on female type 2 diabetic patients, we conclude that Thyroid Stimulating Hormone [TSH] is positively correlated to BMI, but T3 and T4 thyroid hormones are negatively correlated to BMI .
Key words : Overt hypothyroidism, sub-clinical hypothyroidism, BMI, TSH, Diabetes.