Frequency of bleeding disorders in teenage girls presenting with menorrhagia

Aim: to determine the frequency of factors causing bleeding disorders in teenage girls presenting with menorrhagia study design: cross sectional study settings:-department of obstetrics and gynecology,multan medical & dental college,multan duration of study: december 2015 to june 2016. subjects and methods: patients fulfilling the inclusion criteria from out door department of obstetrics and gynaecology multan medical & dental college,multan were included in the study. 5 ml of venous blood was drawn from the antecubital vein from all the subjects after proper aseptic precautions,into sterile and disposable plastic syringes. pelvic ultrasound was done to all subjects. data was recorded for factors of bleeding disorders (polycystic ovary syndrome,thrombocytopenia). results- among 247 patients,majority of the patients was in age group 13-16 years i.e. 78.94% and 66.80% were having normal bmi. in 63.96% of cases duration of complaint was of more than one year. majority of the patients i.e. 57.08% were having haemoglobin levels between 7-10 gm/dl and 62.34% of patients was belonging to rural area. education up to primary was the main finding in both patients and parents. among 247 teenage patients presenting with menorrhagia,pcos was a finding in 10.93% of patients and in 6.47% of patients,thrombocytopenia was the cause of this abnormal uterine bleeding. no such pathological factors were observed in 82.59% of the cases. conclusion: most abnormal bleeding in adolescents is caused by immaturity of the hypothalamic - pituitary ovarian axis resulting in anovulation. approximately 17.41 of adolescents have an underlying endocrine or haematological disorder.