American journal of perinatology
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Uterine retroversion during the first trimester is quite common. However, as the uterus increases in size, self-correction usually occurs and the second trimester pregnant uterus becomes an abdominal organ. ⋯ The prevalence of late first and early second trimester uterine impaction is approximately 1 in 3000 pregnancies. Our case documents sonographically the spontaneous resolution of a markedly retroverted uterus at 26 weeks' gestation.