1. Itabashi K, Horiuchi T, Kusuda S.et al. Mortality rates for extremely low birth weight infants born in Japan in 2005. Pediatrics. 2009; 123:445-450.
2. Fanaroff AA, Hack M, Walsh MC. The NICHD neonatal research network: changes in practice and outcomes during the first 15 years. Semin Perinatol. 2003; 27:281-287.
3. Liggins GC, Howie RN. A controlled trial of antepartum glucocorticoid treatment for prevention of the respiratory distress syndrome in premature infants. Pediatrics.1972; 50:515-525.
4. Gyamfi-Bannerman C, Thom EA. A controlled trial of antepartum glucocorticoid treatment for prevention of the respiratory distress syndrome in premature infants N Engl J Med. 2016; 375:486-487
5. Saccone G, Berghella V. Antenatal corticosteroids for maturity of term or near term fetuses: systematic review and meta-analysis of randomized controlled trials. BMJ. 2016; 355: i5044.
6. Ecker JL, Kaimal A, Mercer BM. et al. Obstetric Care consensus No. 6: Periviable Birth. Obstet Gynecol. 2017; 130: e187-e199.
7. Roberts D, Brown J, Medley N, Dalziel SR. Antenatal corticosteroids for accelerating fetal lung maturation for women at risk of preterm birth. Cochrane Database Syst Rev. 2017; 3:CD004454.
8. Leviton A, Dammann O, Allred EN. Antenatal corticosteroids and cranial ultrasonographic abnormalities. Am J Obstet Gynecol. 1999; 181:1007-1017.
9. Ford LR, Willi SM, Hollis BW, Wright NM. Suppression and recovery of the neonatal hypothalamic-pituitary-adrenal axis after prolonged dexamethasone therapy. J Pediatr. 1997; 131:722-726.
10. Barrington KJ. The adverse neuro-developmental effects of postnatal steroids in the preterm infant: a systematic review of RCTs. BMC Pediatr. 2001; 1:1
11. Williams GR. Neurodevelopmental and neurophysiological actions of thyroid hormone. J Neuroendocrinol. 2008; 20:784-794.
12. Fernandez EF, Watterberg KL. Relative adrenal insufficiency in the preterm and term infant. J Perinatol. 2009; Suppl 2: S44-9.
13. Kawai M. Late-onset circulatory collapse of prematurity. Pediatr Int. 2017; 59:391-396.
14. de Zegher F, Pernasetti F, Vanhole C, Devlieger H, Van den Berghe G, Martial JA. The prenatal role of thyroid hormone evidenced by fetomaternal Pit-1 deficiency. J Clin Endocrinol Metab. 1995; 80:3127-3130.
15. Vulsma T, Gons MH, de Vijlder JJ. Maternal-fetal transfer of thyroxine in congenital hypothyroidism due to a total organification defect or thyroid agenesis. N Engl J Med. 1989; 321:13-16.
16. Frank JE, Faix JE, Hermos RJ.et al. Thyroid function in very low birth weight infants: effects on neonatal hypothyroidism screening. J Pediatr. 1996; 128:548-554.
17. Kaluarachchi DC, Colaizy TT, Pesce LM, Tansey M, Klein JM. Congenital hypothyroidism with delayed thyroid-stimulating hormone elevation in premature infants born at less than 30 weeks gestation. J Perinatol. 2017; 37:277-282.
18. van Wassenaer AG, Kok JH, de Vijlder JJ.et al. Effect of thyroxine supplementation on neurologic development in infants born at less than 30 week’ gestation. N Engl J Med. 1997; 336:21-26.
19. Hollanders JJ, Israels J, van der Pal SM.et al. No association between transient hypothyroxinemia of prematurity and neurodevelopmental outcome in young adulthood. J Clin Endocrinol Metab. 2015; 100:4648-4653.
20. Thorpe-Beeston JG, Nicolaides KH, Felton CV, Butler J, McGregor AM. Maturation of the secretion of thyroid hormone and thyroid-stimulating hormone in the fetus. N Engl J Med. 1991; 324:532-536.
21. Dattani MT, Gevers EF. Endocrinology of fetal development. In: Melmed S, Polonsky KS, Larsen PR, Kronenberg HM, eds. Williams Textbook of Endocrinology 13th edition: Amsterdam, Netherlands, Elsevier; 2015:858-861.
22. Forhead AJ, Curtis K, Kaptein E, Visser TJ, Fowden AL. Developmental control of iodothyronine deiodinases by cortisol in the ovine fetus and placenta near term. Endocrinology. 2006; 147:5988-5994.
23. Forhead AJ, Jellyman JK, Gardner DS.et al. Differential effects of maternal dexamethasone treatment on circulating thyroid hormone concentrations and tissue deiodinase activity in the pregnant ewe and fetus. Endocrinology. 2007; 148:800-805.
24. Kaluarachchi DC, Zhao Q, Colaizy TT. Antenatal steroids and thyroid hormone function in preterm infants. J Perinatol. 2018; 38:1466-1470.
25. Franklin RC, Purdie GL, O'Grady CM. Neonatal thyroid function: prematurity, prenatal steroids, and respiratory distress syndrome. Arch Dis Child. 1986; 61:589-592.
26. Lee JH, Kim SW, Jeon GW, Sin JB. Thyroid dysfunction in very low birth weight preterm infants. Korean J Pediatr. 2015; 58:224-229.
27. Foley TP Jr, Jacobs LS, Hoffman W, Daughaday WH, Blizzard RM. Human prolactin and thyrotropin concentrations in the serums of normal and hypopituitary children before and after the administration of synthetic thyrotropin-releasing hormone. J Clin Invest. 1972; 51:2143-2150.
28. Jacobsen BB, Andersen H, Dige-Petersen H, Hummer L. Thyrotropin response to thyrotropin-releasing hormone in full term, euthyroid and hypothyroid newborns. Acta Paediatr Scand. 1976; 65:433-438.
29. Jacobsen BB, Andersen H, Dige-Petersen H, Hummer L. Pituitary-thyroid responsiveness to thyrotropin-releasing hormone in preterm and small-for-gestational age newborns. Acta Paediatr Scand. 1977; 66:541-548.
30. Niwa F, Kawai M, Kanazawa H.et al. Hyperthyrotropinemia at 2 weeks of age indicates thyroid dysfunction and predicts the occurrence of delayed elevation of thyrotropin in very low birth weight infants. Clin Endocrinol (Oxford). 2012; 77:255-261.
31. Rapaport R, Sills I, Patel U.et al. Thyrotropin-releasing hormone stimulation tests in infants. J Clin Endocrinol Metab. 1993; 77:889-894. Pediatr Endocrinol Rev. 2017; 14:260-270
32. No authors listed. Committee Opinion No. 713 Summary: Antenatal corticosteroid therapy for fetal maturation. Obstet Gynecol. 2017; 130:493-494.
33. Re RN, Kourides IA, Ridgway EC, Weintraub BD, Maloof F. The effect of glucocorticoid administration on human pituitary secretion of thyrotropin and prolactin. J Clin Endocrinol Metab. 1976; 43:338-346.
34. Dattani MT, Gevers EF. Endocrinology of fetal development. In: Melmed S, Polonsky KS, Larsen PR, Kronenberg HM, eds. Williams Textbook of Endocrinology. 13th edition: Amsterdam, Netherlands; 2015:423-433
35. Fuse Y. Iodine and thyroid function: historical review of goiter and the current iodine status in Japan. Pediatr Endocrinol Rev. 2017; 14:260-270