A term female neonate with a BW of 2930 g was born at 38 weeks of gestation by CS, due to fetopelvic disproportion, from a 31-year-old mother G1P1; Apgar score was 9 and 10 at the 1st and 5th minute, respectively. The pregnancy was uneventful. The first physical examination revealed an erythematous mucous membrane extending from the posterior vaginal fourchette to the anterior anal orifice (). The defect was simply observed and the neonate was discharged with a reassessment plan in case of complications.
A 15-day old female also with no other associated medical issues was referred by her neonatologist with an abnormality of the anogenital area. We diagnosed the patient with perineal grove in our clinic. She was born to a 38-year-old woman gravida 3 para 2. The mother did not take folic acid during her pregnancy.\nWe conducted follow-ups for 18 months, and it appeared that the groove underwent a spontaneous resolution.