Age at first menstrual cycle in girls linked to heart disease The age that a woman has her first menstrual cycle is linked to her risk of later developing heart disease, UK research has found. by David Millett Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Register Now Take a 30-day trial Join MIMS now and pay nothing for the first 30 days Join GPOnline now and pay nothing for the first 30 days Sign Up Sign Up