Baby for us

Me and my partner have been trying for a baby since 2008 we desperately want to have a family and we are at the stage of given up hope now what should we do I have pcos and do not release eggs but I've been on metfomin for nearly 4months and my cycle has been good since the metfomin I'm settled I'm to 28day cycle I've had a bleed that started on 9th of may and finished on Friday 15th glow now say I'm 7.7percent chance of pregnancy I not sure if I should believe it cos I Ben trying so long now and nothing seems so truthful please help x