Red flag symptoms: Amenorrhoea Possible causes and red flag symptoms to look out for when menstrual periods either do not start, or stop unexpectedly. 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
