Nursing bra help

Been trying to find a comfortable nursing bra that I feel good in for after I have baby. I have such a hard time finding bras due to my size. I wear a 40B regularly I found a 38B wired tshirt bra at Walmart but can’t find any sort of bra extensions that will fit it to make it fit me better. Then I tried a wrap front bralette and that’s just not my vibe when it comes to bras. I prefer the wired padded support bras as those are what I’m most comfortable in and can’t wear sports bras or wireless bras as they make me insecure. Any recommendations on a good comfortable nursing bra that would also make me feel comfortable wearing it out (don’t care what kind, I just listed my preferences above) would be greatly appreciated.