Imperforate hymen

Introduction The shape and size of the hymen hole and the thickness of the membrane vary from person to person. Generally, the hymen hole is located in the center and has a half moon shape. If the hymen pleats are over-developed, it is a non-porous hymen, which is the hymen atresia.

Cause

Due to the vigorous development of the hymen pleats, the urogenital sinus epithelium failed to penetrate the vestibular part. Hymen atresia is more common after menarche, such as normal uterus and vaginal development, blood accumulation in the vagina after menarche, and then extended to the uterus, forming vaginal uterine hemorrhage, excessive blood can flow into the fallopian tube, through the umbrella into the abdominal cavity, The peritoneum near the umbrella is stimulated by menstrual blood to cause edema and adhesion, which causes the umbrella of the fallopian tube to be locked, forming blood in the vagina, uterus and fallopian tubes.

an examination

Vaginal gynecological routine examination can be diagnosed.

Differential diagnosis

Should be differentiated from gynecological diseases such as pelvic inflammatory disease.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.