Husband has no sex drive

We've been together 5 years and married 3. And this past year its gone from sex every other night at least to going 3-4 weeks without and then only happening because I've asked or made it known its been so long.

We've both decided we want to try for baby #2 so not only am I feeling rubbish because my husband doesn't want to sleep with me but every month around ovulation I feel that ache to conceive.

I don't know how to approach this situation anymore. Please help 😔😔😔