Measurements of the normal fetal brain at gestation weeks 17 to 23: a MRI study
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To obtain measurements of the normal fetal brain before 24 weeks of gestation (GW), a deadline for medical decisions on fetal viability in a large number of countries.
We retrospectively reviewed 70 normal MR examinations of fetuses aged GW 17 to 23. The fronto-occipital diameter, the cerebral bi-parietal diameter, the transverse cerebellar diameter, the vermian height, and antero-posterior diameter were measured.
The median, maximum, and minimum values for each parameter were displayed for each individual GW.
The recorded data might contribute to a better assessment of fetal health by providing normal boundaries for the brain growth.
KeywordsFetal Biometry Brain Normal development MRI
Conflicts of interest
We declare that we have no conflict of interest.
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