Does It cost a lot?

I’m pretty sure I will be diagnosed with gestational diabetes as I failed two of my four blood draws today. I have already had to spend a lot of money to get pregnant due to my PCOS diagnosis which of course puts me at a higher risk for diabetes anyways so I’m not super surprised that I was diagnosed with this but of course feeling frustrated about it. I am just wondering if anyone can tell me how this has financially affected them? Not sure what insurance covers or what will need to be purchased to monitor blood sugar but was just curious. Thanks!