Postpartum hair loss

Tiana • Happily married💍 Mommy to a cub 🦁
This is something I'm nervous about happening. I know it usually happens when baby is around three months old. 
  
Do any moms have any tips on preventing or lessening postpartum fallout? 
  
Does it help if you keep taking prenatal or postnatal vitamins?
  
Am I doomed!? 😣