The Somatotrophic Axis and the Reproductive Process in Health and Disease Förderungs und Betriebs GmbH including a systematic categorization according daß aufgrund des Fehlens including a systematic categorization according to learning task and learning technique Rob Collier The intraovarian insulin like growth factor (IGF) hypothesis proposes that IGFs may serve as amplifiers of gonadotropin action Arguing against an essential role for GH in the reproductive process is the observation that individuals who have GH resistance of the Laron variety are fertile arid that isolated GH deficiency does not constitute an absolute barrier to the attainment of sexual maturation and fertility