Vaginal atresia

A congenital condition involving the absence or closure of the vaginal canal

Overview

Diagram illustrating vaginal atresia

Vaginal atresia is a congenital condition characterized by the absence or closure of the vaginal canal. It is a type of Müllerian duct anomaly, which affects the development of the female reproductive tract. This condition can lead to complications such as amenorrhea and infertility.

Etiology

Vaginal atresia occurs due to the improper development of the Müllerian ducts during fetal development. These ducts are responsible for forming the upper two-thirds of the vagina, the uterus, and the fallopian tubes. When these ducts fail to develop correctly, it can result in a range of anomalies, including vaginal atresia.

Clinical Presentation

Patients with vaginal atresia typically present with primary amenorrhea, which is the absence of menstruation by the age of 15 or 16. Other symptoms may include cyclic abdominal pain due to hematometra or hematocolpos, where menstrual blood accumulates in the uterus or vagina, respectively.

Diagnosis

The diagnosis of vaginal atresia is often made during adolescence when menstruation fails to occur. A physical examination may reveal the absence of a vaginal opening. Imaging studies such as ultrasound or MRI can be used to assess the anatomy of the reproductive tract and confirm the diagnosis.

Management

The management of vaginal atresia typically involves surgical intervention to create a functional vaginal canal. The most common procedure is a vaginoplasty, which can be performed using various techniques, such as the McIndoe or Vecchietti procedures. Postoperative care includes the use of vaginal dilators to maintain the patency of the newly created canal.

Prognosis

With appropriate surgical treatment, individuals with vaginal atresia can achieve normal sexual function and, in some cases, fertility. However, the ability to conceive naturally may be affected, and assisted reproductive technologies may be necessary.

Related pages

• Müllerian duct anomalies
• Amenorrhea
• Vaginoplasty
• Infertility