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Abstract #3722

Relationship between fetal brainstem growth and corresponding gestational weeks: an MRI study

jie LI1, xiao Ling1, songhong Yue1, haoyuan Li1, tao Wen1, jing Zhang1, and kai Ai2
1Lanzhou University Second Hospital, Lanzhou, China, 2Philips Healthcare, Xi'an, China


We use midsagittal T2WI-based structural MRI images to investigate the relationship between fetal brainstem growth and corresponding gestational weeks. The changes of fetal brainstem substructure in of 153 pregnant women in the middle and late stages were quantitatively evaluated. We found that all measurement indices (height, anteroposterior diameter and cross-sectional area) of normal fetal brainstem were significantly correlated with gestational age. Our study demonstrates that MRI can clearly show the fetal brainstem structure, and the changes of brainstem substructure follow certain rules in fetus.

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