Modern era brought new diagnostic and therapeutic methods to endocrinology and changed the approach to many diseases and developmental disorders. Explosion of new findings brought about the possibility of examinations on subcellular level. Possibility to study structure and function of various genes is not any more the futurology. However, still in medicine romain a roas which are considered as less important. It is usually assumed that questions of fertility will be dealt by the specialist for adults. We suppose that the given problems should be well advised by an interdisciplinary co-operating team in the paediatric patients already. However, it should be recognised that some reproduction disorders have their origin in the early age. The aim of this paper is to give an overview on endocrine disorders in relation to reproduction impairments and to outline possibilities of co-operation between different specialist treating patients from childhood trough adulthood.

        Key words: reproductive potential, fertility, children, adolescents, adults.