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天火字典

英日字典: safe_period



The safe_period has 1 Senses.

  • safe period
  • 安全期
  • that time during a woman's menstrual cycle during which conception is least likely to occur (usually immediately before of after menstruation)
  • 女性の月経周期の中で、最も受精が起こりにくい期間(通常月経の直後)

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