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 the woman's milk is coming in.
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.