| Table 1. Steroid concentrations in culture media before and after 24 h of IVM of bovine oocytes under different mineral oil overlay | ||||
| CMO | WMO | p-value | ||
|---|---|---|---|---|
| Estradiol (ng/mL) | 0h | 1142 ± 0.03 | 1142 ± 0.03 | <0.01 |
| 24h | 123.5 ± 46 | 313 ± 72.6 | <0.01 | |
| Progesterone (ng/mL) | 0h | Undetectable | Undetectable | |
| 24h | 0.68 ± 0.54 | 0.87 ± 0.45 | <0.01 | |
Data given as mean ± standard error; a = p-value obtained by one way Kruskal-Wallis test; b = p-value obtained by Mann-Whitney test.