The Authors, studied the ectropion of the uterine cervix in the teen-agers (young ladies) and the effect of the desossiribonucleic acid therapy in topic way by 5 mg/die for 20 days in 80 patients with an ectropion of the I degree and the II degree portion of the uterine cervix. The patients were separated in two groups. 40 patients treated by desossiribonucleic acid therapy, 40 patients didn't take any medicament. In conclusion the results show that the desossiribonucleic therapy could be an alternative way for the treatment of the ectropion of the uterine cervix.