Acquired, symmetric hyper pigmentation of the sun exposed skin of the face & neck which is strongly associated with pregnancy & use of oral contraceptives is called as_______________?

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Acquired, symmetric hyper pigmentation of the sun exposed skin of the face & neck which is strongly associated with pregnancy & use of oral contraceptives is called as_______________?

A. Melanoma
B. Cafe-au-lait-spots
C. Freckle
D. Melasma