What Causes Irregular Vaginal Bleeding, Painful Sex, Hair Loss And Abdominal Pain?

hi I m 20 yrs old and have been suffering with these symptoms...unusual vaginal bleeding for 5 months Painful sex Loss of appetite Weight loss 1 stone plus in 5 weeks now 9 stone Severe pelvic/ abdominal pain Extreme tiredness Excessive hair loss Low ferritin levels My blood tests came back as abnormal and I m awaiting results of a cervical smear as my doctor thinks its cervical cancer ...what do you think please?