A 4-cell embryo with equally sized, mononucleated blastomeres arranged in a clover shape on Day 2 post-injection. There is a single nucleus clearly visible in each blastomere.
Figure 265
A 4-cell embryo with equally sized, mononucleated blastomeres arranged in a tetrahedron shape on Day 2 post-injection.
Figure 266
A 4-cell embryo with equally sized, mononucleated blastomeres arranged in a tetrahedron shape on Day 2 post-injection. There is a single nucleus clearly visible in each blastomere.
Figure 267
A 4-cell embryo with blastomeres of unequal size and with one binucleated blastomere. The embryo was transferred but failed to implant.
Figure 268
A 4-cell embryo with one binucleated blastomere.
Figure 269
A 2-cell embryo with two binucleated blastomeres and 25–30% fragmentation.
Figure 270
A 2-cell embryo with blastomeres of unequal size with several (four) nuclei in one blastomere.
