Perinatology Unit, Carabobo University, Valencia -Venezuela
This is a caseĀ of acrania in a firstĀ trimester fetus resulting from amniotic band.Ā The mother was a 26-year-oldĀ woman sent for ultrasound at 13 weeks with history of vaginal bleeding. Transvaginal ultrasound was performed which showed normal ductus venosus, normal biometry for long bones, normal nuchal thickness (2 mm). The skull however had a cloverleaf shape.