Was big with child.    From Wordnet, Princeton University. 

Preposition : I will go with you. He fought with his brother against the enemy. ,I dealt with the problem. She agreed with me. ,a person with initiative. ,to line a coat with silk; to cut with a knife. ,to work with diligence. ,Their power increased with their number. How does their plan compare with ours? ,to be pleased with a gift. ,to die with pneumonia; to pale with fear. ,It is day with us while it is night with the Chinese. ,to part with a thing. ,He fought with his brother over the inheritance. ,to leave something with a friend. ,Her argument carried a lot of weight with the trustees. ,And with that last remark, she turned and left. ,Are you with me or against me? ,He lives with his parents. ,We climbed the hill, with Jeff following behind.    From Dictionary.com.