While caring for a healthy neonate female,

问题：

While caring for a healthy neonate female, the nurse notices red stains on the diaper after the neonate voids. Which of the following should the nurse do（）

A．Call the physician to report the problem.

B．Encourage the mother to feed the neonate to decrease dehydration.

C．Check the neonate's urine for hematuria.

D．Do nothing because this is normal.