"This is not necessarily true," says one doctor. "Before the development of modern medicine no one knew the cause of a stillbirth or an infant death; today both could be recognized as the result of birth defects."
「其實倒也未必，只是過去醫學不發達，產婦胎死腹中或胎兒生下夭折，大家也不知道原因；現在已經能檢查出它是畸形。」一位醫師說，好比過去冰山只露出一角，現在露出的部分雖然增加了，但冰山可能沒有改變。