Advice

Ladies I need advice, my husband and I have been not trying not preventing for 4 years already. He always cums inside of me, so we obviously want a baby. I have irregular cycles and don’t ovulate frequently, I was tracking with opk’s to help pin point when I’m ovulating and I actually got pregnant in 2017 but had an early miscarriage so since then I decided to stop tracking and just let it be but with my cycles it’s so hard.... so I’m going to start tracking again but there’s another thing my husband and I hardly have sex, we have sex maybe 2-4x a month making it even more difficult for me to get pregnant! He just doesn’t have a high sex drive at all and idk what to do I don’t want to force him to have sex with me it just doesn’t feel right, I’ve brought it up multiple times and he always says I’ll do better, I’ll try harder but then it just never happens. Idk what to do. I’m 26 and he’s 27. I need advice 😢