Uterine contraction in pregnancy
G1P0, 11 weeks by dates, with pelvic pain.
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Left image: a focal retroplacental mass/bulge that is isoechoic to the uterus.
Right image: 1 week follow up with resolution of uterine contraction.
Focal retroplacental mass/bulge that is isoechoic to the uterus. Differential considerations include:
Follow-up was performed to confirm the diagnosis of uterine contraction. Note the resolution of the retroplacental bulge on follow-up imaging.
Doppler assessment is also useful (not shown here):
- hematoma- there is no Doppler flow
- uterine contraction- increased RI
- myoma - little Doppler flow