Dr. Ralf C. Zimmermann received his medical degree from the University of Hamburg in Germany. Dr. Ralf C. Zimmermann completed a residency in obstetrics and gynecology and also in Psychiatry at Yale University. Dr. Zimmermann completed a fellowship in reproductive endocrinology at the Mayo Clinic. In addition to treating patients with infertility and endocrine disorders, Dr. Zimmermann provides support for patients with premenstrual syndrome, menopausal problems and depression. He has authored more than fifty articles and abstracts in the fields of reproductive endocrinology and psychiatry.

Dr. Zimmermann Research Interest areas are as follows:  Infertility Endocrine Disorders Pre menstrual Syndrome Menopausal Problems and syndrome