Introduction: Mullerian malformations are a group of malformations that result from an
alteration of embryonic development. Most cases are asymptomatic, however, in
pregnant patients it has been associated
with recurrent abortion or premature delivery. Case presentation: 12 + 2
weeks pregnant woman consulted for abdominal pain, vomiting and fever. During the study, a transvaginal
ultrasound was performed, where two endometric cavities and a pregnancy in the right horn were
observed. The evolution of the patient was torpid, reaching hypovolemic shock,
resolved by an emergency laparotomy where the rupture of the right horn was
found. Discussion: The bicornuate uterus is the
consequence of a partial fusion of the paramesonephric ducts during the fetal development, resulting in two functional uterine horns. Patients with bicornuate uterus may be asymptomatic, a uterine rupture is a rare but potentially severe complication of the
bicornuate uterus and is usually presented during first and second trimester. Conclusions: Pregnancy with Mullerian
anomalies often has
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