Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Accumulation of fluid/blood in the niche. (a) Image of niche using transvaginal ultrasound in mid-sagittal plane with intrauterine fluid accumulation in the large niche. (b and c) Macroscopic image of a uterus with a niche, removed by laparoscopy because of abnormal uterine bleeding and dysmenorrhoea. Clear accumulation of mucus and blood in the niche can be recognized.
