Fetal Echo Z-Scores: Boston Children's Data

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Fetal echo z-score equations from Boston Children's Hospital, published as a part of their sophisticated threshold scoring system, designed to help identify fetuses with a "salvageable" left heart. Z-scores of the mitral valve, left ventricle, right ventricle, aortic valve, and ascending aorta are included.

Select EGA weeks and days: Select Weeks 15 weeks 16 weeks 17 weeks 18 weeks 19 weeks 20 weeks 21 weeks 22 weeks 23 weeks 24 weeks 25 weeks 26 weeks 27 weeks 28 weeks 29 weeks 30 weeks 31 weeks 32 weeks 33 weeks 34 weeks 35 weeks 36 weeks 37 weeks 38 weeks 39 weeks 40 weeks 0 days 1 day 2 days 3 days 4 days 5 days 6 days

Based on today's date and the given EGA:
The LMP was ...
The EDD is ...

Site	Measured	Mean	Range	Z-Score
Left Heart (cm)
Mitral Valve:
LV Minor:
LV Major:
Aortic Valve:
AAO:
Right Heart (cm)
RV Major :
	reset

References

Predictors of technical success and postnatal biventricular outcome after in utero aortic valvuloplasty for aortic stenosis with evolving hypoplastic left heart syndrome.
McElhinney DB, Marshall AC, Wilkins-Haug LE, Brown DW, Benson CB, Silva V, Marx GR, Mizrahi-Arnaud A, Lock JE, Tworetzky W.
Circulation. 2009 Oct 13;120(15):1482-90. Epub 2009 Sep 28.