Secretion into Milk, Milk Production, and Breast Feeding: Studies in Animals

15.b.1. Blake, C. A., Norman, R. L., Scaramuzzi, R. J., and Sawyer, C. H., Inhibition of the proestrous surge of prolactin in the rat by nicotine, Endocrinology, 91, 1334—1338, 1972. Female rats were injected (s.c.) with nicotine (0.65) at 5-min intervals on the afternoon of proestrus. Nicotine delayed the surge of prolactin and reduced basal prolactin levels.