Ttc exhausted

Me and my partner have been trying 5 months this month to conceive and Aunt flow hasn’t arrived yet. We had a

Chemical Miscarriage around October time

but I just feel like I’m not getting any luck with it what so ever. My periods aren’t regular either, one month they’ll be 29 days between one period to another, the next month it’ll be 30/31 days. I just feel like giving up. I know I should count my blessing but I don’t feel like we have any