Which term is used to describe something that occurs after a certain event?

The term that describes something occurring after a certain event is "Post." This prefix is commonly used in various contexts to indicate that something follows or comes after something else. For example, in terms such as "post-operative," it refers to the period occurring after surgery. Understanding prefixes helps clarify the timing of events, which is crucial in medical documentation. The other options, while they have their meanings, do not convey the idea of sequence in the same way. "Ante" refers to before, "pre" also suggests prior, and "pro" generally relates to being in favor of something rather than indicating a chronological order.