During the Examination of a Woman in Her Second Trimester

During the examination of a woman in her second trimester of pregnancy, the nurse notices the presence of a small amount of yellow drainage from the nipples.The nurse knows that this is:

A) An indication that milk secretion is beginning
B) A sign of possible breast cancer in a pregnant woman
C) Most likely colostrum and considered a normal finding at this stage of the pregnancy
D) Too early in the pregnancy for lactation to begin and refers the woman to a specialist