Body region odors

Breast-fed neonates themselves distinguish breast (Macfarlane, 1975 Russell, 1976 Schaal etal, 1980) and axillary (Cernoch and Porter, 1985) odors of their mother from the same body region odors of other lactating women. 

Whether or not humans use pheromones as a means of attracting the opposite sex has never been completely established, although it is an active area of research. Humans, like other animals, emit odors from many parts of their bodies. Body odor consists of secretions from several types of skin glands, most of which are concentrated in the underarm region of the body. Do these secretions contain substances that might act as human pheromones ... 

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