Low motility and low normal sperm count!

Hi my husband and I have had 4 miscarriages we’ve done so many tests and finally have some answers! However, our urology appointment isn’t until April.. We have learned he has low motility low normal sperm count,& low concentration. He has a high volume (double than normal). I know the motility can be altered by diet and exercise! What has worked if this is you and your spouse? I’d like to start improving our health while we wait! As I know I can improve my health right with him! :) I’ll take any and all suggestions!