<prompt> Prolactin secretion is not stimulated by:LevodopaSleepEstrogenPregnancy  <response>: Ans. A LevodopaRef: Ganongs, 23rd ed. pg. 333Factors affecting Prolactin secretionIncrease prolactinDecrease prolactin Sleep Pregnancy; Estrogen Opioids TRH Phenothiazines L-Dopa Apomorphine Bromocriptine related ergot derivative 