The nurse is instructing parents of a newborn about voiding and stool characteristics. Which of the following would be considered an abnormal pattern?
a. Large amounts of uric acid crystals in the first days of life
b. At least 6 to 10 wet diapers a day after the first few days of life
c. 1 to 2 stools a day for formula-fed baby
d. Urine that is straw to amber color without foul smell