Health encyclopaedia 健康百科全书

Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

Natural family planning自然计划生育

Natural family planning is a method of contraception where natural indicators are used to identify the woman’s fertile time each month.  In this way pregnancy can be more easily avoided (or aimed for).自然，计划生育是一种避孕方法自然的指标是用来识别womanâ € ™ s肥沃的时间，每个月在这方面的方式怀孕，可以更容易地避免（或旨在为） 。

Used correctly, natural family planning is 98% effective in preventing pregnancy.  However, because the method depends heavily on a number of complicated calculations, many people regard it as too difficult to be a reliable form of contraception.正确使用，自然计划生育是98 ％ ，有效地防止怀孕。不过，由于该方法在很大程度上取决于对一些复杂的计算，很多人把它作为太困难，是一个可靠的避孕形式。

A week-by-week guide to your pregnancy 1每周引导到您的怀孕

• What is it used for? 它是什么用呢？
• How does it work? 它如何工作？
• Who can use it? 谁可以使用它呢？
• Advantages 优势
• Disadvantages 缺点

• Nappy rash 尿布红疹 Narcolepsy 嗜睡症 Natural family planning 自然计划生育 Nettle rash 荨麻疹 Neuralgia 神经痛 Neurofibromatosis 神经纤维瘤病 Nonspecific urethritis 非特异性尿道炎 Noonan syndrome 努南综合征 Nosebleed 鼻出血

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