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Table 1 Outcomes for oocytes collected from ovaries

From: Developmental potential of human oocytes matured in vitro followed by vitrification and activation

Patient Age a No. viable oocytes collected IVM to MII for up to 48 h (%) b No. oocytes survived after warming (%) No. oocytes activated (%) No. oocytes further developed (up to 6 days) (%) Patient diagnosis
1 18 9 2 1 1 0 Sex reassignment surgery
2 24 19 14 10 7 4c Sex reassignment surgery
3 25 11 9 4 3 0 Cystic adnexal mass
4 29 4 2 2 2 2 Cystic adnexal mass
5 39 5 2 2 1 1 Cystic adnexal mass
6 37 5 5 4 3 0 Cervical adenocarcinoma
7 41 10 5 1 1 1 Cervical adenocarcinoma
Total   63 39/63 (61.9%) 24/39 (61.5%) 18/24 (75%) 8/18 (44.4%) 8/63 (12.7%)
P valued    0.84 0.53 1.0 0.70  
  1. No statistically significant differences were found between different patient diagnosis (SRS, adnexal mass, and adenocarcinoma) at each step (IVM, oocyte activation and development).
  2. a Age of patient at the time of oocyte collection.
  3. b All MII oocytes were vitrified after IVM.
  4. c One embryo reached the blastocyst stage.
  5. d Fisher’s exact test.
  6. IVM, in vitro maturation; MII, metaphase II.