trying with PCOS and 3 miscarriages

I've been trying for about 5 years now . had 3 miscarriages at 4 months Everytime I was positive . was diganosed with PCOS after my last pregnancy. me and hubby have been trying but no luck because my cycle has been outta wack for a while. I spotted one day this cycle and that's it.any suggestions for me would be greatly appreciated thanks loves