Pediatrician on the do's and don'ts for navigating baby formula "crisis situation"

While the Food and Drug Administration will be working to expedite the importation of baby formula to address nationwide shortages, FDA officials said it could be several months before the supply of infant formula products improves.  

The news brings some relief to parents who have been on a desperate search for supplies. 

"It's hard physically, mentally, financially. Sometimes I do cry at night," one mother told CBS News.