Suggest Treatment To Control Heavy Vaginal Bleeding

my daughter is 13 years old.in june she attained puberty.in july on correct date mensus has come.but it lastes for 11 days.a doctor prescribed pause mf.in one day itself bleeding stopped.she had dance practice in school.so in 3 days again it started bleeding.now i am giving the same tablet morning and at night.but.the bleeding hasnt stopped fully.along with that she is taking calcium tablet and iron tonic.whether the bleeding will get controlled?