2013 Top Doctor: Dr. H. Randall Craig

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Medical school: Washington University Medical School in St. Louis

Years in practice: 25

Why did you choose fertility?
I liked both medical practice and surgery, so I selected one of the few medical specialties where I could do both equally – OB/GYN. The fertility subspecialty of OB/GYN was just entering its golden phase at that time, so I wanted in on the ground floor of this promising new specialty.

Does diet have an appreciable effect on female and male fertility?
Surprisingly, no! The reproductive system is designed to work during good times and bad times (famine, drought, cold winters, etc.), so it is surprisingly immune to most environmental changes, including diet. However, it is prone to many non-environmental disorders. My job is to diagnose them and apply the appropriate therapy.

What are some myths about fertility?
The type of underwear (boxers vs. briefs) affects sperm count – it doesn't! The timing of sex to ovulation helps determine the sex of the baby – it doesn't! The cervical mucus is a sign of ovulation – it isn't! It is just a sign of high estrogen.

What distinguishes your practice from others?
We don't just keep up with the latest, most effective treatments in our field – we help create them. Our physicians and embryologists don't just work in the In Vitro Fertilization Lab, they also built and operate fertility research and development labs. They have designed, built and patented many cutting-edge fertility procedures, ranging from microfluidic platforms to advanced egg and embryo freezing techniques. These techniques have allowed us to advance far beyond other fertility practices.