How to say "childbirth" in Japanese

• 出産しゅっさんJLPT N1approx.Common
  noun, suru verb, transitive verb, intransitive verbThe all-purpose word for childbirth: giving birth in general, whatever the setting. When you simply mean that someone had a baby, this is the natural choice in both speech and writing.
  彼女かのじょは健康けんこうな赤ん坊あかんぼうを出産しゅっさんしました。↗

  She gave birth to a healthy baby.
• 分娩ぶんべんCommon
  noun, suru verb, transitive verbThe clinical term for childbirth and delivery, found in medicine and obstetrics — doctors' explanations, hospital records and the like. In everyday conversation it sounds technical; 出産 or お産 is the natural choice there.
  私の娘むすめは分娩ぶんべん中ちゅうだ。↗

  My daughter is in labor.
• お産おさんJLPT N1approx.Common
  nounChildbirth with a softening お prefix, so it carries a polite, gentle tone. It suits everyday conversation about giving birth, where it can feel softer and more personal than plain 出産.
  ケイちゃんはとても運うんがいいのよ。お産さんの時ときから、そうだったわ。↗

  Kei's very lucky! He has been since his birth.

出産 is the all-purpose word for childbirth; 「お産」 adds a polite, softer tone for everyday conversation; 分娩 is the clinical term, belonging to medical and obstetric contexts.

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

• 出産しゅっさんchildbirth
• 分娩ぶんべんchildbirth
• お産おさん(giving) birth
• 産さん(giving) birth
• 産児さんじnewborn baby