Low to moderate exercise (15-20 miles/week) begun in sedentary women with regular cycles and > one year buildup will not result in problems. Moderate to intense training (30-50 miles/week) building up over two months in young women will more than likely result in significant menstrual abnormalities.
1 Phone Number: The contact phone number for Comcast headquarters is 1-215-286-1700.  Fax Number: All fax communication with the corporate office should be sent to 1-215-981-7790.
Comcast X Finity Phone Number: 1-844-729-5221 or 1-800-XFINITY. Phone Menu: Thank you for calling Comcast home of xFinity [para continua en espanol marqui nueba] for quality or training purposes your call maybe monitored or recorded.