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: Hypothyroidism during pregnancy has an adverse effect on both mother and child. The maternal and foetal risk is higher in TPOAb (Thyroid peroxidase antibody) positive women compared to women with negative TPO Ab. The recent ATA (American Thyroid Association) guidelines recommend that pregnant women with TSH (Thyroid Stimulating Hormone) concentration above 2.5mU/L should be evaluated for TPOAb status and LT4(levothyroxine) treatment should be considered with TSH values between 2.5mU/L and 4.0mU/L only when TPOAb status is positive.: All the pregnant women booked in first trimester underwent testing for TSH levels and subsequently for anti TPO Ab if TSH levels were between 2.5-4 mIU/ml. The hospital based prevalence of women with anti TPO Ab positive status was determined. These pregnancies were followed till term and the maternal and foetal complications associated with TPO Ab positive and negative status were compared. Total of 400 pregnant women were included. The hospital prevalence of women with anti TPO antibodies in first trimester of pregnancy with TSH values between 2.5- 4 mIU/ml was found to be 23.5%. Anti TPO antibody positive status was significantly more associated with antenatal complications especially GDM and IUGR as compared to patients with anti TPO antibody negative status (47.8% v/s 23.2%, p value 0.001).: Women with TPO Ab positive status are to be vigilantly monitored for early detection and management of various antenatal complications. Determining anti TPO Ab status helps in avoiding unnecessary treatment of the women with TPO Ab negative status and TSH between 2.5-4mIU/ml.

Background: The polycystic ovarian syndrome (PCOS) is an abnormality of young women of reproductive age. Between 20-50% of women with PCOS are normal weight or thin, and the pathophysiology of the disorder in these women may be related to a hypothalamic-pituitary defect that results in increased release of LH. PCOS and Thyroid disorders share certain common characteristics, risk factors, and pathophysiological abnormalities. In this study we have compared the serum TSH levels in obese and non-obese PCOS women to detect if there is a significant difference in the occurrence of hypothyroidism based on the BMI.Methods: Non-pregnant women attending the gynecological OPD diagnosed with PCOS as per Rotterdam criteria were included. Serum TSH was done in all women diagnosed as PCOS and based on their BMI women were either included in obese or non-obese group using Asian cut-off for BMI and the values compared.Results: In the present study 152 women were included. Women with low BMI and normal BMI were grouped as lean PCOS or non-obese PCOS and the overweight and obese women together were grouped as obese PCOS. The total number in the lean group was 28 and 124 in the obese group. Raised serum TSH levels were observed in 23.02%(35) women out of which 17.14%(6) belonged to the non-obese group and the remaining 82.85%(29) to the obese group. Among the 152 women thyroid enlargement was seen in 1.3%(2). Both women had raised serum TSH levels and both belonged to the obese group.Conclusions: The results of our study seem to indicate that thyroid dysfunction in PCOS women developed irrespective of presence or absence of obesity.

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