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 pay bill phone number. 1-800-XFINITY(1-800-934-6489) Contact US page : Comcast Xfinity. Are you facing any issues on bill payments, comcast bill pay, refund, cancellation , new service or any other issues or complaints just call the above number.