with child
Pregnant. Although still used today, this term is somewhat formal and old-fashioned. Yes, it's true—I'm with child and about three months along! Did you hear that Marissa is with child? Such happy news!
*with child
Euph. pregnant. (Biblical. *Typically: be ~; get a woman ~.) The first thing he did after he got married was to get his wife with child. She deliberately set out to get herself with child, as they say.