This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Melanin pigmentation in pregnancy is known as 
Select and explain. 
A. Melasma, B. Melanoma, C. Epulis, D. Melanosis
A: Melasma
Answer: A: Melasma 
Explanation: None