A lot of people have the worry that they'll never be able to get pregnant again, and it's totally unfounded. We have weird cycles from time to time, happens to all of us, and exercising is definitely one of those triggers.
100% absolutely on board with your changes! Be sure you're getting enough fat as that's really quite a big trigger for disrupting cycles. If you prefer to stay plant based, coconut oil is a great way to go.
Keep me posted on what you find out at the doc!