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Microperforate hymen in a primigravida in active labor: a case report
Kenji Goto1, Hideo Yoshinari, Kimihisa Tajima
1Department of Obstetrics and Gynecology, University of Fukui, Yoshida-Gun, Fukui, Japan. kengoto@fmsrsa.fukui-med.ac.jp
The Journal of Reproductive Medicine
|August 18, 2006
Summary
A rare microperforate hymen, often mistaken for an imperforate hymen, can allow for spontaneous pregnancy despite its small opening. Increased awareness is crucial for accurate diagnosis and management of this congenital anomaly.
Area of Science:
- Gynecology
- Obstetrics
- Medical Diagnostics
Background:
- Microperforate hymen is a rare congenital anomaly.
- Often misdiagnosed as an imperforate hymen.
- Characterized by an incomplete obstructive anomaly with a very small opening, usually allowing normal menstrual flow.
Observation:
- A 21-year-old primigravida presented at 38 weeks gestation with suspected absence of a vaginal opening.
- Active labor was arrested, necessitating a cesarean section due to diagnostic uncertainty.
- Post-cesarean digital exploration confirmed a microperforate hymen.
Findings:
- A microperforate hymen, despite its pinhead-sized opening, can permit spontaneous pregnancy.
- Diagnostic difficulty arises from the subtle nature of the microperforation.
Implications:
- Highlights the importance of recognizing rare hymenal anomalies.
- Emphasizes the need for careful examination to avoid misdiagnosis.
- Underscores potential diagnostic challenges in obstetric cases.
