Breakthrough bleeding may also be caused by hormonal effects of ovulation.

He suffered severely from the psychological and hormonal effects of castration.

But only for a few weeks, until the hormonal effect wore off.

According to the study, the data supported further studies of these hormonal effects as a mechanism in prostate cancer prevention.

They defined such chemicals as any that had hormonal effects in a laboratory test.

She is a leading researcher in the field of hormonal effects on migraine.

There is no scientific evidence, however, that eating placenta provides these hormonal effects.

"Food produces hormonal effects in the body," he says.

There is, however, substantial evidence from the 1950's on the hormonal effects of chlorinated pesticides.