"My advice to couples that we see is 'don't delay.' It's easy to get a discussion and a consultation going. And getting that information can be life changing."

Peter Ahlering, MD, FACOG

Medical Director

Peter Ahlering, MD is reproductive specialist and medical director of MCRM Fertility. Dr. Ahlering is board-certified in Obstetrics and Gynecology and has been providing personalized fertility care for more than 20 years. His research and career have led him to take a special interest in helping patients inflicted with recurrent pregnancy loss, male factor infertility, diminished ovarian reserve/ovarian aging and fertility preservation.


  • M.D. University of Missouri, Graduate School of Medicine, Kansas City, 1989
  • Chief Resident of Operative Laparoscopy and Reproductive Medicine, St. John’s Mercy Hospital – St. Louis, 1993
  • Fellow of the American Congress of Obstetricians and Gynecologists


Dr. Ahlering has been recognized, multiple times, as the “Best Fertility Physician.” In addition, he has contributed to many medical journals and studies, books and other educational content dealing with fertility, including:

Personal /Passion

Dr. Ahlering grew up following his father’s and two older brother’s footsteps by becoming an obstetrician. While a young physician, Dr Ahlering was emotionally impacted every time a patient suffered a pregnancy loss or fertility difficulties. As a result, he became determined to find ways to assist these patients have the families of their dreams. This lead Dr. Ahlering to specialize in reproductive care and help to create thousands of new families throughout his career.

“Dr. Ahlering was incredibly encouraging, educational, practical, and honest. Seems like a rare finding in the industry today. My husband and I walked away feeling trust in him and in the process – and that is an answer to prayer for us!”