Ashton was designated to be one of the physicians to care for female Olympians in the Team USA Medical Network. She earned her medical degree from Columbia College of Physicians and Surgeons in 2000. She is a board-certified Obstetrician & Gynecologist at a private medical practice that she founded in New Jersey. Ashton has authored the books The Body Scoop for Girls: A Straight-Talk Guide to a Healthy, Beautiful You, Your Body Beautiful: Clockstopping Secrets to Staying Healthy, Strong, and Sexy in Your 30s, 40s, and Beyond, and Eat This When You’re Expecting, Not That: Your Complete Guide to the Very Best Foods For Every Stage of Pregnancy.