Trebunskaya, who will not appear in the upcoming 17th season of the ABC reality dancing competition, has not yet revealed who the father is.
"It wasn't planned, but when it happened, I thought, 'This is perfect — I'm ready to be a mom,'" the Russian dancer, 32, tells the magazine. "This is something really good for me and fulfilling, and it'll give me a whole new meaning in life. I'm really looking forward to it."
Trebunskaya, who has appeared on 10 seasons of DWTS, says she plans to return to dancing and to the show after the baby is born.