hi i am joyce, 26 years old. my querie is about my menstrual cycle , i have irregular menstruation. i only have menstruation for once a year or once in 2 years. though i don t feel anything, or pain during my menstruation, but i still worried about my condition. i need ur advice. any exercise or what food is suitable for me?though i always go on a diet but i never loose weight. please help..