This literary work is the result of a thesis carried out in the Pediatric Urology Service and the Maxillofacial Surgery Department of the Children's Hospital of Morelia "Eva Sámano de López Mateos" (SSA). In which the clinical relationship between malformations of the male reproductive system (hypospadias, phimosis and cryptorchidism) is scientifically demonstrated. With alterations of the midline of the oral cavity in the labial and lingual frenulum (ankyloglossia and ankyloglossia). Based on the review of 50 patients who came for consultation in a period from 2017-2018.