Subchorionic hematoma and pregnancy outcomes in patients with threatened miscarriage

  • Sumaira Naz Aga Khan University Hospital , Karachi
  • Sheikh Irfan Aga Khan University Hospital , Karachi
  • Tahira Naru
  • Ayesha Malik Aga Khan University Hospital , Karachi
Keywords: Threatened Miscarriage, Subchorionic Hematoma, Small for gestational age, Preeclampsia

Abstract

Objective: To compare maternal and perinatal outcomes in patients with threatened miscarriage with or without subchorionic hematoma (SCH) at a tertiary care hospital.

Methods: This retrospective cohort study was conducted at Aga Khan University Hospital. The study included 200 patients of <20 weeks singleton pregnancy with threatened miscarriage from January 2016 till December 2018. These patients were divided into two groups based on the presence (study group) or absence of subchorionic hematoma (control) on ultrasound imaging. Baseline demographic data, and obstetric outcomes were compared for the two groups.

Results: The incidence of subchorionic hematoma was observed to be 30.5% (61/200). Most of the patients of SCH and non SCH groups presented in first trimester. Age and BMI were similar for both groups however there were more multigravida patients in the SCH group (63% versus 46.7%, P=0.12). A higher number of patients in the SCH group ended up in spontaneous miscarriage in contrast to patients with no SCH (13% versus 6.1%, P=0.07) and also had a greater proportion of small for gestational age (SGA) babies (8.9% versus 3.9%) though no statistical significance was observed. There were more preeclamptic patients in SCH group as compared to non SCH group (4.8% versus 0.7%) and the trend was statistically significant (P=0.05). However, no significant correlation of hematoma size and adverse pregnancy outcomes was found in SCH group.

Conclusion: Our study shows that women with threatened miscarriage having SCH are at a higher risk of having preeclampsia and SGA and hence these pregnancies warrant greater surveillance.

doi: https://doi.org/10.12669/pjms.38.3.4283

How to cite this:
Naz S, Irfan S, Naru T, Malik A. Subchorionic hematoma and pregnancy outcomes in patients with threatened miscarriage. Pak J Med Sci. 2022;38(3):511-516. doi: https://doi.org/10.12669/pjms.38.3.4283

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Author Biographies

Sheikh Irfan, Aga Khan University Hospital , Karachi

Senior Instructor 

Department of Obstetrics& Gynaecology

Tahira Naru

Associate Professor 

Deaprtment of Obstetrics& Gynaecology

Ayesha Malik, Aga Khan University Hospital , Karachi

Assistant Professor 

Department of Obstetrics& Gynaecology

Published
2022-01-25
How to Cite
Naz, S., Irfan, S., Naru, T., & Malik, A. (2022). Subchorionic hematoma and pregnancy outcomes in patients with threatened miscarriage. Pakistan Journal of Medical Sciences, 38(3). https://doi.org/10.12669/pjms.38.3.4283