Exposure to antenatal corticosteroids and infant cortisol regulation.

"Declaration of Competing Interest: None."

"This research was funded by a grant to Dr. Sandra J.Weiss from the National Institutes of Health, Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01 HD081188-05), USA. Dr. Keeton was supported by a Preterm Birth Initiative trans-disciplinary post-doctoral fellowship, funded by Marc and Lynne Benioff and a T32 training grant (1T32 HD098057) from the National Institute of Child Health and Human Development, USA. Dr. Richoux was supported by a postdoctoral fellowship in the T32 Biobehavioral Research Training Program in Symptom Science (T32 NR016920-05) funded by the National Institute of Nursing Research, USA and by the Robert C. and Delphine Wentland Eschbach Endowment."