根据美国生殖医学会(American Society of Reproductive Medicine),同卵三胞胎的发生机率极低,在不透过人工授精的情况下,机率大概是200万分之一,是异卵三胞胎出现机率的十分之一。
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A decade ago, the American Society for Reproductive Medicine launched an AD campaign featuring a baby bottle inside an hourglass, and it sparked a firestorm of criticism.
十年前,美国生育医药社会这机构发起广告,内容是一个婴儿塞在沙漏钟瓶内,这广告引发恶评大爆发。
At least half of the group did eventually contact their donor father and some met him, says data released at the American Society for Reproductive Medicine meeting in San Francisco.
这些透露身份的捐精者后代最终有一半联系了自己的捐精者父亲,有些人还与捐精者父亲见了面——数据来源于美国生殖医学协会在旧金山的会议。
The studies were to be presented Monday at the annual meeting of the American Society for Reproductive Medicine in Denver.
星期一,在丹佛的美国生殖医学学会年会上发布了此项研究结果。
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