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The effect of age on the number of follicles and COCs, embryo development rates and mean number of embryos per donor per LOPU. (A): LOPU results according to age showing number of follicles aspirated and number of COCs recovered. (B): Embryo development according to age showing cleavage and embryo development rates calculated over oocyte and cleaved embryos. (C): The mean number of embryos produced per donor per LOPU according to age category.
