Dear Editor,Time-lapse systems(TLSs)have increasingly been introduced to fertility laboratories to improve the identification of embryo quality.TLSs detect some forms of abnormal division,such as direct and reverse cl...Dear Editor,Time-lapse systems(TLSs)have increasingly been introduced to fertility laboratories to improve the identification of embryo quality.TLSs detect some forms of abnormal division,such as direct and reverse cleavage divisions.Direct cleavage occurs when one blastomere divides directly into three or more daughter blastomeres.It strongly correlates with impaired preimplantation development,ploidy,and implantation capacity.展开更多
基金This project was supported by Young Physicians Program of Chinese Medical Association(No.17020470716).
文摘Dear Editor,Time-lapse systems(TLSs)have increasingly been introduced to fertility laboratories to improve the identification of embryo quality.TLSs detect some forms of abnormal division,such as direct and reverse cleavage divisions.Direct cleavage occurs when one blastomere divides directly into three or more daughter blastomeres.It strongly correlates with impaired preimplantation development,ploidy,and implantation capacity.
