Table 3 Ratio of nuclear DNA content to the total DNA content in gonosomal chromatin bodies (GCBs) in the placental trophoblast cells at 10th day pc
Cell population | Ploidy | Nuclei with single GCB | Nuclei with two or more GCBs | ||
|---|---|---|---|---|---|
No. of embryo | No. of embryo | ||||
1–3 | 1–4 | 1–3 | 1–4 | ||
Trophoblast cells of the junctional zone of placenta | 2c | 23.7 ± 2.0 | 23.6 ± 2.9 | 16.0 ± 1.4 | - |
4c | 22.2 ± 1.1 | 25.9 ± 1.6 | 14.1 ± 1.2 | 17.6 ± 12.2 | |
8c | 21.3 ± 13.7 | 23.7 ± 2.0 | 16.8 ± 2.8 | 15.6 ± 11.5 | |
16c | 25.2 ± 4.7 | 14.5 ± 3.6 | 13.6 ± 1.6 | 13.9 ± 1.8 | |
Secondary giant trophoblast cells | 32 c | 21.3 ± 3.7 | 22.4 ± 15.3 | 13.8 ± 1.4 | 20.1 ± 16.9 |
64 c | 24.6 ± 2.0 | 23.3 ± 11.5 | 20.6 ± 2.9 | 13.6 ± 11.6 | |
128 c | 27.1 ± 3.8 | 23.3 ± 11.5 | 20.3 ± 1.6 | 13.1 ± 11.3 | |
256 c | 23.2 ± 10.9 | - | - | - | |