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Related Experiment Video

Updated: Nov 25, 2025

Mouse Model of Surgical Uterine Injury and Subsequent Pregnancy Outcomes

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Published on: June 27, 2025

Chorionic Bump: Radiologic Features and Pregnancy Outcomes.

Amman Yousaf^1,2, Ahmad Tayyab³, Muhammad Sana Ullah Anil^3,4

¹Radiology, Hamad General Hospital, Doha, QAT.

|December 17, 2020

Summary

This summary is machine-generated.

Chorionic bumps, protrusions into the gestational sac, are linked to a higher risk of first-trimester miscarriage. Awareness among healthcare providers is crucial for early diagnosis and management of this rare condition.

Keywords:

abortion chorionic bulge first-trimester miscarriage transvaginal ultrasound vaginal bleeding

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Area of Science:

Obstetrics and Gynecology
Fetal Medicine
Diagnostic Imaging

Background:

Chorionic bump is a rare condition characterized by a protrusion from the choriodecidual surface into the gestational sac.
Limited literature suggests multiple chorionic bumps may be associated with fetal demise.
This entity is an infrequent cause of first-trimester pregnancy loss.

Purpose of the Study:

To review existing literature on chorionic bumps.
To analyze cases from our institute with sonographic findings of chorionic bumps.
To increase awareness among sonographers and radiologists regarding chorionic bumps as a cause of first-trimester pregnancy loss.

Main Methods:

Retrospective review of cases diagnosed at a single institution over four years (January 2016-December 2019).
Data accessed using ICD codes; IRB approval was waived due to anonymized patient data.
Six female patients diagnosed with chorionic bump were included in the analysis.

Main Results:

The average age of patients was 29.83 years, with diagnosis at an average gestational age of 8.16 weeks.
Common sonographic findings included a protrusion with a hypoechoic center and hyperechoic rim, lacking vascularity (n=5).
Three pregnancies resulted in first-trimester miscarriage, while three delivered healthy babies.

Conclusions:

Chorionic bumps are associated with a significantly increased risk of first-trimester miscarriage.
Increased awareness of chorionic bumps is essential for accurate diagnosis and patient counseling.
Further research may elucidate the precise mechanisms and long-term implications of chorionic bumps.