Figure 1.

Transvaginal ultrasound study. An apparently normal fetus (asterisk) and villi with multiple hypoechoic cysts (arrows) at 8 weeks' gestation. Crown-rump length is 20 millimeters. Each cyst is 2-3 millimeters in diameter.

Umazume et al. Diagnostic Pathology 2011 6:38   doi:10.1186/1746-1596-6-38
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