予後（よご、yogo）
- prognosis

The Japanese word 予後, pronounced よご (yogo), refers to the “prognosis” or “outlook” of a disease or medical condition. It describes the expected course of the illness, including the likely outcome, the chances of recovery, and the potential for complications. It’s a critical term used in medical contexts to inform patients and healthcare professionals about the disease's future. It assesses the likely progression and outcome of a condition based on various factors.

⚫︎病気の予後は良好です。 Translation: The prognosis for the illness is good. ⚫︎手術後の予後について説明します。 Translation: I will explain the prognosis after the surgery. ⚫︎彼は癌の予後が悪いと診断されました。 Translation: He was diagnosed with a poor prognosis for cancer.

This word is primarily used in medical and healthcare settings. You'll hear it discussed by doctors, nurses, and other medical professionals when talking about a patient's condition. While you might not use it in everyday conversation, it's essential to understand it if you or someone you know is dealing with a medical issue. In general conversation, one might use it when discussing a friend's or relative's medical situation.

The word 予後 is typically written in kanji and hiragana: 予後. There are no other ways to write this word. The okurigana (suffix hiragana) is always 後.

There aren't direct, single-word synonyms for 予後 in Japanese, as it encompasses a complex concept. However, related terms include: ⚫︎ 見通し（みとおし）- outlook, prospect ⚫︎ 経過（けいか）- course (of an illness) ⚫︎ 予断（よだん）- prediction, prognosis (more formal, and sometimes used with a negative connotation, meaning "premature judgment")

There aren't direct antonyms for 予後 since it refers to a prediction. However, concepts that describe positive health outcomes or situations that are opposite to a poor prognosis could be considered related opposites: ⚫︎ 回復（かいふく）- recovery ⚫︎ 治癒（ちゆ）- cure ⚫︎ 快方（かいほう）- improvement, recovery

医師は、彼の病気の予後について詳しく説明した。 ・Translation: The doctor explained the prognosis of his illness in detail. ・Explanation: This sentence illustrates how the word 予後 is used in the context of medical communication, highlighting the role of a doctor.

手術の成功率は高いが、予後には個人差がある。 ・Translation: The success rate of the surgery is high, but there are individual differences in the prognosis. ・Explanation: This sentence indicates that while the surgery might have a high success rate, the 予後 can differ depending on the individual patient.

The word 予後 is composed of two kanji: 予（よ - yo) meaning "beforehand, in advance," and 後（ご - go) meaning "after, behind." Therefore, 予後 literally means “after beforehand,” implying what will happen after the condition or treatment. This reflects the predictive nature of the term, suggesting what is expected to occur in the future based on the present medical situation.