How to say "contraception" in Japanese

• 避妊ひにんCommon
  noun, suru verb, intransitive verbThe everyday word for contraception and birth control in general. Use it in most contexts, from conversation to writing, when referring to preventing pregnancy.
  避妊ひにんはちゃんとコンドームつけてたのよね？↗

  You used a condom for birth control, right?
• 人工避妊法じんこうひにんほう
  nounA less common, more technical term meaning contraception by artificial methods. Rarely the word you want in everyday speech; 避妊 covers typical uses.

Use 避妊 for contraception or birth control in ordinary contexts; 人工避妊法 explicitly means artificial contraceptive methods and is a less common, more technical alternative.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 避妊ひにんcontraception
• 人工避妊法じんこうひにんほうcontraception