[Menstrual disorders. Amenorrhea, hypomenorrhea, and oligomenorrhea]

After a summary of the physiology of the normal menstrual cycle, the author studies the symptoms of the different menstrual disorders, explaining the physiopathological basis of each. Special attention is given to amenorrhea, hypomenorrhea and oligomenorrhea. This paper is part of a symposium in which the author dealt with this type of disorders. The author insists on the importance of making hormonal dosifications. As far as the treatment is concerned it has to be by means of hormonal products in the correct dosage, and at the appropriate time in the cycle. The author mentions that he has not had experience with radiation treatment.