Carrie opened up on "CBS Sunday Morning".
(Undated) -- Carrie Underwood is opening up about her struggle with trying to get pregnant.
The country music superstar tells "CBS Sunday Morning" she suffered three miscarriages before becoming pregnant with her upcoming child.
Underwood and husband, Mike Fisher, are expecting their second child in the beginning of 2019.
Their son, Isaiah, was born in 2015.