Should I just give up?

I am 45 (almost 46) and already have two kids born in my early to mid thirtieth. However, I would really want one more.. Both myself and my husband had all the tests done and everything is great. Had 3 <a href="https://glowing.com/glow-fertility-program">iui</a> and 1 <a href="https://glowing.com/glow-fertility-program">ivf</a>, all failed. I guess despite the great tests I can't beat the statistics and should just accept that this is it for us. We had tried on and off for 3 years and nothing. Never even got pregnant. I am just so tired and angry at myself for having waited this long...but mostly just tired...