Frequency of congenital hypothyroidism in healthy newborns.

Objective: To determine the frequency of congenital hypothyroidism (CH) in healthy newborns. Study Design: Cross-sectional study. Setting: Department Neonatology, Children Hospital & Institute Child Health Multan. Period: July 2020 to January 2021. Material Methods: Neonates both genders between 48 hours life 28 days age delivered after 37-weeks gestation were analyzed. All neonates underwent blood sample testing for (T4 and TSH). The CH was described as having T4 levels < 0.85 ng/dl TSH > 40 mIU/L. Frequency (yes/no) noted. Results: Of these 146 study cases, 77 (52.7 %) male participants while 69 (47.3 female. Mean gestational our cases 38.12 ± 0.78 weeks. (27.4 belonged rural areas 106 (72.6 urban areas. Poor socioeconomic status noted 46 (31.5%) 100 (68.5%) from middle income families. 109 (74.7%) born vaginally 37 (25.3%) through cesarean section. Family history positive 15 (10.3) cases. body mass index their mothers 24.21 2.33 kg/m2 maternal obesity present 22 (15.1 Congenital 12 (8.2%). Conclusion: High (8.2%) newborn babies. significantly associated with mode delivery family hypothyroidism.