Michelle now shares custody of her children with her ex-husband. She has a message for other stressed-out moms—reach out for help before it's too late.

"I want them to know that [they should] just make a call," Michelle says. "Call your physician's office, your pediatrician's office. Just try and get into a support group, because they're out there. Call a neighbor to say, 'Can you come sit with my kids for 10 minutes? I need to take a walk.'"