Females who are plagued with irregular or no menstrual cycles or who hae problems becoming pregnant may hae what is known as Polycystic Oarian Syndrome (PCOS).

 
  • 在我们国家“驴”这个词不罕见,但是对某些妇女来说怀孕生孩子很容易,对另外一些虽有女人特征,生孩子却不可能。
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