pregnancy

1. Origins, structure, and basic meaning

• Structure: 娠 is associated with pregnancy; its on-reading is しん.
• Basic usage: 妊娠(にんしん) means pregnancy, while 妊娠検査(にんしんけんさ) means a pregnancy test.

2. Common pitfalls and similar expressions

• Pregnancy and a test for pregnancy
  • 妊娠検査 is a test to determine whether someone is pregnant. Distinguish the condition 妊娠 from a test checking for it.
  • 妊娠検査の結果 means the pregnancy test result.