Trophectoderm biopsy—perhaps not such a benign intervention

In this issue of Fertility and Sterility, Lu et al. (1Lu M. Wen Y. Liu Y. Ding C. Zhau C. Xu Y. Trophectoderm biopsy reduces the level of serum β-hCG in early pregnancy.Fertil Steril. 2020; 114: 801-808Scopus (6) Google Scholar) conducted a retrospective cohort study to investigate whether the removal of a few trophectoderm cells during biopsy for preimplantation genetic testing (PGT) was associated with a decrease in serum human chorionic...