hello. my name is Angela. i'm 32years old, 1702mm tall and weigh 85kg.I suffered from endometriosis 1 year ago and had an ovarian cyst before that was around for 3 years then disappeared. i have never given birth. i suddenly gained 15kgs 3 months ago. recently, i have oedema daily yet i move around and take about 1.5 litres of water daily and i'm not pregnant. what could be the problem?