Table 3 Outcomes of FETs with storage time greater than 2 years
From: Effects of vitrified cryopreservation duration on IVF and neonatal outcomes
Storage time(years) | Storage time(days) | Number of FET cycles | Number of Clinical Pregnancy | Clinical Pregnancy rate | Number of Live birth | Live birth rate | Number of Congenital anomalies |
|---|---|---|---|---|---|---|---|
2–3 | 731–1096 | 380 | 191 | 50.26 | 110 | 28.95 | 1 |
3–4 | 1097–1461 | 205 | 96 | 46.83 | 59 | 28.78 | 1 |
4–5 | 1462–1826 | 92 | 41 | 44.57 | 23 | 25.00 | 1 |
5–6 | 1827–2191 | 51 | 22 | 43.14 | 11 | 21.57 | 0 |
6–7 | 2192–2556 | 22 | 9 | 40.91 | 5 | 22.73 | 1 |
7–8 | 2557–2921 | 10 | 4 | 40.00 | 2 | 20.00 | 0 |
8–9 | 2922–3286 | 2 | 0 | 0.00 | 0 | 0.00 | 0 |