Dear doctor.iam a 29 years old woman and I feel I have problem with my ovary.i had miscarriage last year august after I was bleeding nearly 2 months.i got antibiotic .so my bleeding stopped.in November my period came normally it was a very heavy but like usually 4-5days.in December nothing problem my period was the same like before my pragnency.but now In January my period was late 5 days.and the first 3 days was a dark brown period and after on the 4th day I started to bleed like should on the first and second day and is doesn't look like wanna stop.this is my 5th day.i know this should be normal but never in my life did not see same on me.and I feel different pain in my pelvis.i have back ache pain very strong.last year I was diagnose with PCOS.but I don't know and iam comfused what's going on with me.