If you have any of the following Cancer, Incontinence of urine, Amenorrhea (absent menstrual periods),Dysmenorrhoea (painful menstrual periods), Infertility, Menorrhagia (heavy menstrual periods)
Prolapse of pelvic organ then you should go and see him but otherwise I don't understand why your father is making you go. Just explain to him that if anything was wrong then you would go and see a gynecologist but at the moment you don't need to.