Abstract #0705

Characterization of placental contractions in healthy pregnancies

Neele S Dellschaft¹, Rachel Allcock¹, Jana Hutter², Lopa Leach³, Nia Jones⁴, and Penny Gowland¹

¹Sir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, United Kingdom, ²Department of Perinatal Imaging and Health, King's College London, London, United Kingdom, ³Life Sciences, University of Nottingham, Nottingham, United Kingdom, ⁴Division of Child Health, Obstetrics and Gynaecology, University of Nottingham, Nottingham, United Kingdom

Subclinical uterine contractions in the third trimester have been detected with MRI in recent years and we regularly observe these contractions in 10 minute longitudinal scans. We have recently described how placental pump contractions differ from Braxton Hicks contractions, as defined by a reduction in placental volume. In this study, we have observed in detail the effects of 18 contractions on longitudinal single echo-planar imaging T2* weighted scans.

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