During the Assessment,the Nurse Notices That a Black Baby Has

During the assessment,the nurse notices that a black baby has a darker,slightly bluish-hued patch about 5 cm by 7 cm on the buttocks and lower back.What is the nurse's next action?

A) Call the Department of Social Services (DSS) to report this sign of abuse.
B) Confer with the physician about the possibility of a bleeding tendency.
C) Ask the mother about the cause of the bruise.
D) Chart the presence of a Mongolian spot.