Menorrhagia and metrorrhagia

A) Menorrhagia:
As described before is a heavy or excessive menstrual bleeding including prolonged duration of previously usual period or excessive bleeding during normal period duration.
B) Metrorrhagia:
Is also a type of menstrual disorders considered as irregular uterine bleeding not related to the expected time of normal menstrual periods.
C) Menometrorrhagia:
This condition means that there is a combination of both disorders. In other words, it is heavy prolonged uterine bleeding and irregular uterine bleeding at the same time. This condition is more dangerous than if each one of them happens separately.