Repetitive circumvallate placenta as a cause for early preterm rupture of membranes? Presentation of a rare case

Purpose: Circumvallate placenta is a rare abnormality of placental development, which can cause severe perinatal complications. Prenatal diagnosis is difficult and includes sonographic and clinical features. Here we present a case of suspected repetitive circumvallate placenta. Materials and methods: A 32year old patient IVG IP with a history of one spontaneous delivery and two cases of rupture of membranes in 18 weeks of gestation and consecutive loss of pregnancy presented at our department at 11 weeks of gestational age. Sonography revealed a massive retroamnial hematoma surrounding the amniotic sac with an o…