Janzen GmbH is a gynecology and obstetrics practice led by Dr. med. Katrin Janzen, specialist in gynecology and obstetrics FMH. Services include pregnancy care and obstetrics (prenatal diagnostics, ultrasound, care for high-risk pregnancies and births at Lindenhofspital) as well as general gynecological services such as preventive exams, ultrasound, contraception counselling, breast disease diagnostics and minimally invasive procedures, and gynecological surgery.