Is high blood sugar somewhat related to periods?

Hi, English is not my first language, go easy on me please.

I’ve been diagnosed with Type 1 Diabetes almost year ago (end of May) and I was 13 at the time. My blood sugar was about 22 mmol before eating anything. When I somehow got it under control, in November, I had my first period and I was fine from then on. But when lockdown was issued, I lost my period. I had higher blood sugar for two months, and through this time, I didn’t get my period. Now I talked to my doctor to help me get my blood sugar back under control, luckily we were succesful. And my period is back again. My mum thinks, and insists, that my period was somehow "blocked" by high sugar, then and now. Do you know something like this could happen?

God, was it embarassing to write this.