The term "monstrous birth" refers to an abnormal or unusual child, typically with physical deformities or anomalies. Synonyms for this phrase include "deformed birth," "abnormal childbirth," "precipitate labours," and "monstrous offspring." Other similar terms that could be used to describe an abnormal birth include "defective birth," "abhorrent birth," and "freakish birth." These phrases are often used to describe situations where a child is born with unexpected and unusual features or physical abnormalities. While having a child with health issues or deformities can be a difficult experience, it's important to remember that all children are special and deserving of love and care, regardless of their physical appearance or abilities.