Vasa previa is a rare obstetric complication, characterized by fetal umbilical cord blood vessels being unprotected by Wharton’s jelly or placental tissue and located within 20 mm of the internal cervical os. This case describes a late pregnancy antepartum hemorrhage that was promptly treated with a cesarean section. During the surgery, a ruptured vasa previa was found, and fortunately, the rupture was blocked by a clot, resulting in minimal blood loss. Both mother and baby had a good outcome. The case is used to elaborate on the high-risk factors, classification, diagnostic methods, and treatment plans for vasa previa, aiming to increase the detection rate of this condition and manage it systematically, ultimately improving perinatal outcomes.
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