The phrase "heavy with child" is commonly used to describe a pregnant woman who is in the later stages of pregnancy. However, there are several other synonyms that can also be used to describe this condition. One such synonym is "far along in her pregnancy", which implies that the woman has been pregnant for a considerable amount of time and is approaching her due date. Another similar phrase that can be used is "great with child", which emphasizes the size and weight of the woman's pregnancy. Additionally, pregnant women can also be described as "expecting", "preggers" or simply "pregnant". Overall, there are many ways to refer to a woman who is pregnant, and each offers a unique perspective on her condition.