Mirena for Endometriosis caused heavy bleeding, does that work?

Ovarian HyperStimulation Syndrome (OHSS) – Symptoms & Causes

Ovarian Hyperstimulation Syndrome is a bodily response to the excess hormones given to the body after which the ovaries swell and become painful. Excess hormones are given to those women whose ovaries need stimulation to produce eggs while preparing them for an IVF procedure. Less frequently, Ovarian Hyperstimulation Syndrome occurs when certain fertility related medicines are taken orally.