The cells are analysed to see if they are genetically normal and the best embryos are selected for implantation into the mother 's womb .
对这些细胞进行分析，判断他们的基因是否正常，并选择最优的胚胎植入到受孕母亲的子宫。
According to ralph catalano of the university of california , berkeley , and his colleagues , writing in the american journal of human biology , stress-induced sex selection can take place long after conception and implantation .
For implantation , the doctor and team of nurses are back .
为了给我实施植入着床，医生和护士组又回来了。
The study overcame two problems that have bedevilled efforts to develop stem cells therapies for cardiac disease : creating heart muscle cells from embryonic stem cells ; and enabling the new cells to thrive after implantation in the damaged heart .
