Failed 1hr glucose test

Shak • Mommy to a beautiful baby girl 💗🌷🥰 🤱🏾 #pcoswarrior

I failed a 1hr glucose test done at 16weeks. I was already "pre diabetic" due to pcos. Today I'm 17.5 and doing the 3hr test and I honestly think I'll fail this one too. What problems should I be worried about?