RT Book, Section A1 Preisberga, Krista A1 Vachani, Joyee Goswami A2 Kline, Mark W. SR Print(0) ID 1182917970 T1 Infant Colic T2 Rudolph's Pediatrics, 23e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259588594 LK accesspediatrics.mhmedical.com/content.aspx?aid=1182917970 RD 2024/10/12 AB Crying in infants is considered a normal developmental behavior with great variability between individuals in the amount of crying. There has been no clear singular definition of what constitutes normal versus excessive crying, known as colic. Observational studies in various settings have shown certain patterns that could constitute normal crying patterns in infants: