Subchorionic Haemaorrhage in First Trimester and Its Effects on Pregnancy Outcome

Background: Subchorionic haemorrhage which may or may not be associated with vaginal bleeding is definitely of concern as it predisposes to adverse pregnancy outcomes. This study is done with a aim to find how subchorionic haemorrhage affects pregnancy outcome.

Methodology: The study was carried out from January 2020 till July 2020. 57 antenatal women with singleton viable pregnancy from 6 weeks to 12 weeks gestation having subchorionic haemorrhage on USG with or without bleeding were included in the study after informed consent. High risk pregnancies with any medical disorder were excluded. Size of Subchorionic haemorrhage was described as percentage involvement of gestational sac. Patient were closely followed for outcome as miscarriage, preterm delivery, abruption , intrauterine fetal death , IUGR or term delivery.

Conclusion: 52.63% of the patients were less than 30 years of age , 57.89% of the patients were primipara and 42.10 % were multipara. 24.56% of females had previous abortion, 14.03 %, suffered an abortion. Maximum 5 patients with miscarriage had large subchorionic haemarrhage with more than 50 % gestational sac. Intra uterine fetal demise occurred in only one patient with size of subchorionic haematoma between 26%-50%. 6 patients experienced preterm delivery before 37 weeks .Term delivery was seen in 42 patients and maximum 19 patients had SCH 11%-25% of Gsac. Though the outcome is variable , size of SCH definitely affects the outcome.