適齢期

1. Origins, structure, and basic meaning

• Structure: 適齢期 is read as てきれいき and is the age or period considered suitable for an activity such as a medical screening or marriage.
• Basic usage: Use 検診を受ける適齢期 for the appropriate age for a screening and 結婚の適齢期 for the conventional age for marriage.

2. Common pitfalls and similar expressions

• Distinction between 適齢期 and 年齢
  • The headword includes a judgment that an age is suitable for a purpose, while the comparison term simply states age without that evaluation.