这种观点可能必须改变。最近发表在《遗传学咨询》杂志上的一份综合性研究表明近亲婚姻所生的小孩患上主要遗传性疾病如先天性心脏缺陷的可能性只比一般小孩略高--大约比平均的3%到4%高出两个百分点。全国遗传学顾问协会为此项研究提供了资金。罗宾·贝内特是此项研究的主要作者,也是该协会已当选、但尚未就职的主席。据他说,“除了需要一份详尽的家庭病史之外,没有必要仅根据有血缘关系这一条理由就进行任何的基因测试。”
Publication of the study will do more than tweak public awareness; it will enlighten doctors who have urged cousin couples not to have children."Just this week, " says Bennett, "I saw a 23-year-old woman who had had a tubal ligation because her parents were cousins and her doctor told her she shouldn' t have children." The study cites the case of "Amy", who had been in a relationship with her cousin for two years when, in 1996, she became pregnant. Her doctor suggested an abortion, and after a fruitless search for more information, she had the procedure. This week Amy wrote to the cousincouples.com website that she planned to get many copies of the report--"one that I will personally deliver to my ex-gynecologist."
此项研究的公开发表将不仅会扭转公众对这个问题的认识,它还将促使那些力劝近亲夫妻不要生育的医生摆脱偏见。贝内特说:“就在本周,我遇见一位23岁的妇女,她刚做过输卵管结扎手术。原因是她的父母属近亲结婚,她的医生告诉她不应该生育孩子。” 研究报告中还引用了有关“艾米”的例子。她曾与表兄保持了两年的婚姻关系。1996年,她怀孕了。她的医生建议流产。在四处咨询无果的情况下,她遵从了医生的建议。这一周,艾米写信给近亲夫妻网站说她打算多准备几份报告的复印本,并将亲自送一份给她从前的妇科医生。
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