“natural family planning”的概念、定义、翻译、参考文献-科学参考

单词	natural family planning
释义	natural family planning Encyclopedia 医学避孕释 natural family planning自然避孕法根据女性月经周期和周期中出现的症状与体征，间接判断排卵过程，识别排卵前后的易受孕期，进行周期性禁欲而达到避孕的方法。又称安全期避孕法。
随便看	Al Ain National Museum Alain Resnais Alain Robbe-Grillet alais du Louvre Alaiza Pashkevich Alajuela Al Akhbar Ala-kiyiz and Shyrdak, art of Kyrgyz traditional felt carpets alaksana world alalite A Lamb Astray Alamgir Kabir alamosite A Lamp Re-lit for Good Stories Alan Arnold Griffith alanate Alan Ayckbourn Alan Bennett Alan Cooper Alan Curtis Kay Al-Andalus Literature Aland Islands Neutralization A Land So Rich in Beauty A land taxation system implemented during the Eastern Jin Dynasty Alan Graham MacDiarmid

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