| ประโยคภาษาจีน : 中文句子 | 
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|  tā men他们  rèn shi认识  dào到  tǐ wài shòu jīng体外受精  dǎo zhì导致  hòu dài后代  guò过  dà大  zōng hé zhēng综合征  yǐ以  dà大  ér而  gōng néng功能  zhàng ài障碍  de的  tāi pán胎盘  hái yǒu还有  xīn zàng心脏  quē xiàn缺陷  wèi为  tè zhēng特征  tā他  jiě shì解释  shuō说 | 
| "They realized that in vitro fertilization resulted in large offspring syndrome [distinguished by a large, dysfunctional placenta] and heart defects," he says. |