A new synthetic absorbible suture was evaluated (poliglecaprone 25, in the Gynecology-Obstetric practice. 70 patients were studied, 33 obstetrical and 37 gynecological. We practiced trans and postoperative evaluations of the suture, as well as the characteristics of the tensil (stregth or force), memory, adjustment, etc. concluding that it is an excellent suture material and has great advantages over other materials.