Over the past several years maternal thyroid disorders influenced the outcome of pregnancy. Maternal and fetal morbidities are well documented complication of pregnancy in thyroid dysfunction. The vast majority of affected women are asymptomatic. Therefore to avoid the potential complications universal screening of antenatal patients was done. Thyroid dysfunction may be overlooked in pregnancy because of their overlying symptoms. Context: “The purpose of this study is to explore the prevalence of thyroid dysfunction in pregnancy and emphasize on the screening of thyroid dysfunction in pregnancy” Settings and design: It is a retrospective study. Material and methods: All Antenatal patients with hypertension and diabetes mellitus irrespective of their trimester were recorded for their thyroid function test. Statistical analysis used: All the results were analyzed and p value, chi square test applied wherever necessary. Results: We have studied 700 antenatal cases and found that thyroid dysfunction was present in 80 cases (11.4%). Of which asymptomatic were 32 cases (40%) and symptomatic were 52 (65%). Conclusion: we have concluded that universal screening of antenatal patients should be done irrespective of their antenatal visit.

Keywords: Thyroid dysfunction; Antenatal; Universal; Screen.