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“相对于羊膜腔穿刺法而言,根据母亲血液中的胎儿DNA片段来判断胎儿的性别,显得更安全也更神奇。虽然胎儿游离的DNA如何进入母体血液如今依然是个谜,但科学家却真切地在孕妇血样内检测出胎儿DNA。”
“Compared with amniocentesis, it is safer and more magical to judge the sex of the fetus based on the fetal DNA fragment in the mother’s blood.While fetus free DNA is still a mystery in the maternal blood today, scientists are real Pregnant women in the blood samples detected fetal DNA. ”