expectant vs with child

expectant and with child both are adjectives.

Word	Noun	Adjective	Verb	Adverb
expectant	No	Yes	No	No
with child	No	Yes	No	No

As adjectives, expectant and with child are synonyms defined as:

Other synonyms of expectant include big, enceinte, gravid, great, heavy, large.

expectant (adjective)	with child (adjective)
marked by eager anticipation	in an advanced stage of pregnancy
in an advanced stage of pregnancy