Pre-diabetes can be corrected before it turns into full-blown diabetes.
Foods to avoid if you ( male/female) for possibly 3 months as a prenatal preparation for pregnancy.
For those who have parents with diabetes than taking the above action may decrease the chance of passing on your parent's functional genes of metabolic disorder to your offsprings. Research says by changing metabolic memory one can modulate epigenetic changes. Worth a try. At least there is no harm from eating balanced diet and pursuing a healthy lifestyle.