Research Paper Volume 14, Issue 11 pp 4728—4738
Effect of dominant follicle status at the time of retrieval on the clinical outcomes in natural cycle IVF combined with immature oocyte treatment
Figure 1. Mature and immature oocytes collected at the time of retrieval. (A) MII-stage oocyte with a disperse cumulus cells surrounding. Arrow indicates the first polar body. (B) Immature oocyte with compacting cumulus cells. (C) Immature oocyte with sparse cumulus cells. (D) Immature oocyte with compact (left) and denuded cumulus cells (right). Arrow indicates the germinal vesicle in (B, C and D). Scale bar: 10 μm.