Eur J Obstet Gynecol Reprod Biol
University of Derby, United Kingdom. Electronic address:
Published: October 2023
Introduction: This retrospective single centre study considers the predictive value of specific ultrasound features of sub-chorionic haemorrhage (SCH) as potential indicators of adverse pregnancy outcome.
Methods: Ultrasound reports and images were reviewed for 160 participants presenting to an early pregnancy assessment unit from January 2018 to January 2019. Participants were selected based upon the presence of SCH within the first trimester. The outcome of each pregnancy and the features of SCH, including the size, location and echogenicity were recorded and multinominal logistic regression was used to establish predictive value.
Results: The majority of participants were asymptomatic and delivered healthy babies. 24% miscarried prior to delivery or had stillborn babies; the features of bleed within this group revealed an increased prevalence of adverse outcome in the presence of moderate sized haemorrhage (p = 0.02). 61% of miscarried pregnancies presented with "wrapping" SCH, in which haemorrhage encased the gestation sac, suggesting wrapping posed a probable risk (p = 0.01). 71% of miscarriages occurred within 5 + 0-10 + 0 weeks gestation. Persistent SCH was of greater incidence within those participants with adverse outcome (57%). There was no association between fetal abnormality and miscarriage. Jaundice babies and premature delivery occurred more frequently (p = 0.001) and may be a secondary finding following SCH.
Conclusion: There was a strong correlation between presence of SCH in early pregnancy and rate of miscarriage. Specific ultrasound features of SCH, most notably a wrapping location with moderate size, may be indicative of increased risk of miscarriage or post-natal complications. Jaundice and premature births may have an association with placental compromise.
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http://dx.doi.org/10.1016/j.ejogrb.2023.08.009 | DOI Listing |
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