Bad idea for high school sweethearts to get married right out of school?

Jade • I have linear scleroderma, epilepsy, scoliosis, tremors, anxiety, and depression. I'm 18, dating a 20 year old. ❤️💙💛
Just curious on your opinions, I've had a high school sweet heart and we always planned on waiting to our mid to early 20's, just to be safe. Plus it would have been worth the wait and no rush was needed. (Not trying to state my opinion)