Abstract #0972

MRI Quantification of uterine blood flow in third trimester human pregnancy and relation to birthweight

David J LOMAS¹, Rebecca HAWKES¹, Andrew N PRIEST¹, Nicholas HILLIARD¹, Andrew PATTERSON¹, Pat SET¹, and Martin J GRAVES¹

¹Radiology, University of Cambridge & Addenbrooke's Hospital, Cambridge, United Kingdom

Non-invasive measurement of uterine blood flow (UBF) during pregnancy is desirable to assess fetal well-being but difficult using Doppler ultrasound. This work demonstrates an MR method of identifying the uterine arteries in 31 early 3rd trimester normal human pregnancies and quantifying absolute UBF using cine phase contrast. Results are comparable with other methods for quantifying flow and demonstrate a correlation with actual birthweight. The method has potential for future UBF monitoring during pregnancy.

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