She shared: "It took us a while to get here ... I'm gonna cry again. [I'm] just so thankful to find out Isaiah's gonna have a baby brother. It was just great news.
"We're excited ... Balance is what it's all about, no matter what your job is. Being a mom, working and dividing your time. It's what we all have to do as mothers."
Carrie endured three miscarriages during a two-year time period, and the singer admitted she was left feeling "angry" by the ordeal.
She explained: "I had always been afraid to be angry. Because we are so blessed. And my son, Isaiah, is the sweetest thing. And he's the best thing in the world. And I'm like, 'If we can never have any other kids, that's okay, because he's amazing.' And I have this amazing life. Like, really, what can I complain about? I can't.
"I have an incredible husband, incredible friends, an incredible job, an incredible kid. Can I be mad? No. [But after the miscarriages,] I got mad. [I thought], 'Why on Earth do I keep getting pregnant if I can't have a kid?' Like, what is this? Shut the door. Like, do something. Either shut the door or let me have a kid."
-Bang! Showbiz