Subchorionic Hematoma: Correlation of Grading Techniques With First-Trimester Pregnancy Outcome.
Howard T HellerElizabeth A AschSara M DurfeeRobin P GoldensonHope E PetersElizabeth S GinsburgPeter M DoubiletCarol B BensonPublished in: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (2018)
Subjective hematoma size based on the fraction of gestational sac size correlates best with first-trimester pregnancy outcome. The earlier in pregnancy an SCH is detected, the higher the rate of subsequent pregnancy failure.