Serum oestradiol-17 beta and prolactin concentrations during the luteal phase in women with benign breast disease.

Serum profiles of both oestradiol and prolactin were measured during the luteal phase in normal women, in women with cyclical breast pain and in women with recently biopsied benign breast disease. The results suggest that, in women with benign breast disease, the concentration of both hormones may be increased, when compared to the normal controls, during the evening in the latter part of the luteal phase.