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 Bill Pay Phone Number. 1-877-338-5965, press 1; Best For: Existing Customers, Address Change, Moving Services, Technical Support, Billing Questions. Looking for a Comcast billing phone number? Call this number to pay your bill by phone. Moving and want to take Comcast with you? Itâs easy! This number enables you to file an address change or to get support with a technical issue. Dial 1-877-338-5965, press 1 and a Comcast representative will be there to help. You'll enter an automated voice menu.