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陸子鈞
・2011/08/14
生雙胞胎很辛苦,尤其在農村。雙胞胎媽媽們生下的嬰兒,較一胎的還小且虛弱,且對媽媽而言,在生產的過程中也容易併發一些問題。如此,演化上為什麼還會出現雙胞胎?一項在甘比亞的調查研究發現,會產下雙胞胎的婦女,即使產下單胎,也會比一般的單胎嬰兒還重,讓嬰兒比較有機會活下來。
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