Table 1.
Patient and IVF cycle characteristics in women above age 43 with VER, ER and SR
| VER (13.5–15.5 mm) | ER (16.0–18.0 mm) | SR (18.5–20.5 mm) | |
|---|---|---|---|
| Number of Patients | 17 | 24 | 15 |
| Average age (years) | 44.9 ± 0.3 | 44.6 ± 0.3 | 45.0 ± 0.6 |
| FSH (mIU/ml) | 12.6 ± 3.3 | 9.3 ± 1.0 | 12.8 ± 5.9 |
| AMH (ng/ml) | 0.7 ± 0.2 | 0.8 ± 0.1 | 1.1 ± 0.3 |
| P4/E2 ratio on hCG trigger day | 2.3 ± 0.3 | 2.0 ± 0.3 | 2.1 ± 0.3 |
| Retrieved oocytes | 3.9 ± 0.6 | 5.6 ± 0.8 | 4.8 ± 1.0 |
| Mature oocytes | 2.0 ± 0.5 | 3.4 ± 0.5 | 2.4 ± 0.8 |
| % of mature oocytes | 53.5 ± 8.7 | 66.0 ± 5.5 | 51.1 ± 10.5 |
| Immature oocytes | 1.7 ± 0.4 | 1.4 ± 0.3 | 2.0 ± 0.8 |
| % of immature oocytes | 41.5 ± 8.2 | 22.8 ± 5.1 | 43.9 ± 10.5 |
| Atretic oocyte/patient | 0.3 ± 0.1 | 0.8 ± 0.3 | 0.3 ± 0.2 |
| % of atretic oocyte | 7.4 ± 3.6 | 11.2 ± 3.5 | 4.8 ± 2.6 |
| Fertilized oocytes | 2.3 ± 0.4 | 3.0 ± 0.5 | 2.9 ± 0.6 |
| Total transferable embryos | 2.0 ± 0.3 | 2.7 ± 0.4 | 2.3 ± 0.6 |
| High quality embryos | 0.9 ± 0.1a | 2.3 ± 0.4b | 0.7 ± 0.2a |
| % of high quality embryos | 52.3 ± 8.7a | 83.8 ± 5.8b | 34.0 ± 13.2a |
| Pregnant rate | 5.9% (1/17)a | 16.7% (4/24)b | 6.7% (1/15)a |
VER, very early retrieval; ER, early retrieval; SR, standard retrieval; a/adenotes no significant difference; a/bdenotes significant difference