The presenter's husband, former footballer Frank, announced the happy news on Instagram.
Christine, 39, also took to the photo-sharing site to share the happy news, telling her 264,000 followers: "The Lampard family are expanding! The list of emotions is endless".
He captioned the image with the words: 'We have some exciting news we wanted to share with you.
"The Lampard family is growing!"
Excited Frank revealed his happiness to fans in a sweet Instagram post, which was then shared by his wife of three and a half years.
Christine has two step-daughters Luna, 12, and Isla, ten, from Frank's previous relationship with Elen Rivas.
However, she was firm in her view that the couple would not go down the route of IVF, as she does not want to put any strain on their relationship.
More Children Ending Up In Hospitals For Suicidal Tendencies
It suggests that the youth may face increased stress and mental health challenges when school is in session. Peaks for encounters among the groups were highest in the fall and spring, and lowest in the summer.
The broadcaster married Chelsea legend Lampard in 2015.
Who did you break your baby news to first?
In February, Christine discussed the prospect of her and Frank having a baby.
"That is honestly where our heads are at, and we just enjoy life as best we can in between".
"There are some things you can not control and life is about being happy with what you have".
"It's a question I would never ask anyone but I get asked it loads".
Christine previously revealed her desire to have children with her husband, saying it would be "wonderful". Everyone seems to be fascinated by my body clock. I'm not pushing myself.