A 28-mm crown-rump length embryo.
Prenatal Zurich, Zürich, Switzerland; Medical Faculty, Heinrich Heine University, Düsseldorf, Germany.
B
B
Tutschek
D018568:Crown-Rump Length; D005260:Female; D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D021621:Imaging, Three-Dimensional / Q000379:methods; D011247:Pregnancy; D016216:Ultrasonography, Prenatal / Q000379:methods*