Lately i have been noticing thick white lumpy discharge which is in clots i am really frightened because i am almost certain it is an STI, also i sometimes get this frothy creamy coloured watery discharge after sex and my boyfriend has clear discharge from his penis nearly all of the time. i am really scared because i dont know what it is or what i should do can anyone please help? i also experience bleeding and sever abdominal pains. is this an STI and does anyone know exactly what it is ?