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The content compiles research evidence on determinants and incidence patterns, including impacts of timing and dose of levothyroxine, laboratory and clinical practices, and special exposures relevant to premature or at-risk neonates. 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Iodine in contrast agents and skin disinfectants is the major cause for hypothyroidism in premature infants during intensive care. 91(12):972-6. The incidence of congenital hypothyroidism and its determinants from 2012 to 2014 in Shadegan, Iran: a case-control study. 2004 Jan. 2006 Dec. Soy formula complicates management of congenital hypothyroidism. 1976 May. Early Diagnostic Criteria of Congenital Hypothyroidism: A Comprehensive Study of Forty-Nine Cretins. 24(1):39-50. 1994 Jul. Luca P, Davide C, Daniela C, et al. Brown RS, Bellisario RL, Botero D, Fournier L, Abrams CA, Cowger ML. Thyroid hormones for preventing neurodevelopmental impairment in preterm infants. Clin Endocrinol (Oxf) . 24(6):397-9. Srinivasan R, Harigopal S, Turner S, Cheetham T. 2006 Jun. Zakarija M, McKenzie JM, Eidson MS. Optimisation of thyroxine dose in congenital hypothyroidism. Elevated serum concentrations of triiodothyronine in hypothyroid patients. Grosse SD, Van Vliet G. The impact of transient hypothyroidism on the increasing rate of congenital hypothyroidism in the United States. Cortinhas Alves EA, Andrade RC, de Melo Amaral CE, Fernandes Caldato MC, Rocha Bastos AM, da Silva LC. Cao XY, Jiang XM, Dou ZH, Rakeman MA, Zhang ML,  \nO'Donnell K. Transient hypothyroidism at 3-year follow-up among cases of congenital hypothyroidism detected by newborn screening. Evaluation of the tshr gene reveals polymorphisms associated with typical symptoms in primary congenital hypothyroidism. Lowery GH, Aster RH, Carr EA, Ramon G, Beierwates WH, Spafford NR. 326(4):236-41. Neonatal hyperthyrotropinemia: population characteristics, diagnosis, management and outcome after cessation of therapy. 88(432):21-4. Sedassari Ade A, de Souza LR, Sedassari Nde A, Borges Mde F, Palhares HM, de Andrade Neto GB. Cognition and behavior at school entry in children with congenital hypothyroidism treated early with high-dose levothyroxine. 82(6): 1704-12. 2002 Feb. Am J Perinatol. [Guideline] Léger J, Olivieri A, Donaldson M, Torresani T, Krude H, van Vliet G, et al. Azar-Kolakez A, Ecosse E, Dos Santos S, Léger J. 2013 Jan. Prevention of intellectual disability through screening for congenital hypothyroidism: how much and at what level?. 2017 Mar. 2007 Jul. CD001070 . 98(2): 785-93. 115(1):e52-7 . Korzeniewski SJ, Grigorescu V, Kleyn M, Young WI, Birbeck G, Todem D. 2000 Jul. 2017 Jun. Lomenick JP, Wang L, Ampah SB, Saville BR, Greenwald FI. Selva KA, Harper A, Downs A, Blasco PA, Lafranchi SH. Lomenick JP, Jackson WA, Backeljauw PF. 2016 Feb 2. Clin Pediatr (Phila) . Goiter in a newborn exposed to lithium in utero. Cochrane Database Syst Rev. 82(2129):370-371. Evans C, Jordan NJ, Owens G, Bradley D, Ludgate M, John R. 72(6):344-7. Leger J, Ecosse E, Roussey M, Lanoe JL, Larroque B, . 20(5): 559-78. 1995 Oct. 1992 Jan 23. Eur J Endocrinol. Intellectual outcome in children with fetal hypothyroidism. J Endocrinol Invest. Congenital anomalies associated with congenital hypothyroidism. 171 (5):615-21. Oral iodized oil for correcting iodine deficiency: optimal dosing and outcome indicator selection. 1999. 2001. 1995 Jul. Raymond J, LaFranchi SH. 48 (4):220-4. Simoneau-Roy J, Marti S, Deal C, Huot C, Robaey P, Van Vliet G. Penny R, Frasier SD. 47 (2): 135-142. 69(5): 705-6. Neurodevelopmental outcomes in congenital hypothyroidism: comparison of initial T4 dose and time to reach target T4 and TSH. Newborn Screening: Towards a Uniform Screening Panel and System. Effect of laboratory practices on the incidence rate of congenital hypothyroidism. 140(5):407-13. 125 Suppl 2 : S37-47 . 72(1): 145-7. Pavan-Senn CC, Nesi-França S, Pelaez J, Pereira RM, Boguszewski MC, Sandrini Neto R, et al. Sonographic evaluation of children with congenital hypothyroidism. Efficacy of low oral doses of iodized oil in the control of iodine","cbCainGDPCjrxUN2","https://ap.wps.com/l/cbCainGDPCjrxUN2","pdf",352707,"English","[{\"question\":\"How do timing and dose of thyroid hormone replacement influence development in infants with congenital hypothyroidism?\",\"answer\":\"The guidelines emphasize evidence linking the timing and dosing of thyroid hormone replacement to infant developmental outcomes, including neurodevelopmental trajectories.\"},{\"question\":\"What factors affect the incidence and determinants of congenital hypothyroidism over time?\",\"answer\":\"The material compiles studies describing determinants and incidence trends across different years and settings, including how care practices and screening-related factors may shape observed rates.\"},{\"question\":\"What distinctions are important between transient and persistent hypothyroidism outcomes?\",\"answer\":\"The content references transient hypothyroidism follow-up and compares outcomes, indicating that transient and persistent conditions can differ in course and long-term implications.\"}]","Congenital Hypothyroidism Screening Guidelines - Dose and Timing Influence | PDF",1789266180]