hey i am 16 years old and have missed my period, but i am also sick i have a sore throat, my stomach hurt, i get really bad headachs, and get cold and hot frlashes threwout the day, i also have a little cough and i have increased in peeing and i am alwasy tired.. .the dr's at the clinic said it was nothing but i would like a second opinion on what it wrong with me. i also have little discharges of white or clear color instead of my period i'm getting really confused and worried about whats wrong with me. please help me.