University of Texas Health Science Center at San Antonio. (sciencedaily.com)
According to Lynnette Mazur, a professor of pediatrics at the University of Texas Health Science Center in Houston, infant hiccups are usually caused by feeding (breast milk, formula, or other foods). (babycenter.com)
SOURCES: Carrie K. Shapiro - Mendoza, Ph.D., epidemiologist, division of reproductive health, U.S. Centers for Disease Control and Prevention, Atlanta; Thomas G. DeWitt, M.D., director, division of general and community pediatrics, Cincinnati Children's Hospital Medical Center; Cheryl Cipriani, M.D., associate professor, pediatrics, Texas A&M Health Science Center College of Medicine, and director, Neonatal Intensive Care Unit, Scott & White, Temple, Texas; February 2009 Pediatrics (abcnews.go.com)