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The prenatal diagnosis of micrognathia is usually based on a subjective impression of the size of the jaw when examining the fetal profile. We have constructed a centile chart for mandibular length between 12 and 27 post-menstrual weeks in a cross-sectional study of 184 fetuses. The application of this chart in clinical practice may permit a more objective diagnosis of micrognathia in the prenatal period.


Journal article


Prenat diagn

Publication Date





749 - 756


Anthropometry, Cross-Sectional Studies, Female, Fetus, Humans, Mandible, Micrognathism, Pregnancy, Prenatal Diagnosis, Prospective Studies