Be with child
Definition 1 of 1
Pro Tip 1/3Archaic Usage
This phrase is old-fashioned and not commonly used in modern language except in historical or literary contexts. 
In the novel set in the 1800s, the character announced she was with child.
Pro Tip 2/3Cultural Sensitivity
The phrase might sound formal or outdated; modern terms like 'pregnant' are more common and considered appropriate. 
During the tour of the ancient castle, the guide spoke of queens who were with child.
Pro Tip 3/3Literary Style
Often used in literature to give a historical or classical feel to the text or dialogue. 
The poet described the young maiden as being with child beneath the willow tree.