- Diagnostic and therapeutic problems in a case of prenatally detected fetal hydrocolpos. Geipel, A., Berg, C., Germer, U., Ahrens, P., Gloeckner-Hofmann, K., Möller, J., Gembruch, U. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. (2001)