* Donor is superovulated to provide large numbers of mature follicles.
+
* Donor is superovulated to provide large numbers of mature [[[[The_Ovary_-_Follicles_-_Anatomy_%26_Physiology|follicle]].|follicles]].
−
* Pre-ovulatory follicles collected by surgical procedure involving aspiration of the follicular content.
+
* Pre-ovulatory [[[[The_Ovary_-_Follicles_-_Anatomy_%26_Physiology|follicle]].|follicles]] collected by surgical procedure involving aspiration of the follicular content.
* [[The_Ovary_-_Oocytes_-_Anatomy_%26_Physiology|Oocytes]] captured in vitro.
* [[The_Ovary_-_Oocytes_-_Anatomy_%26_Physiology|Oocytes]] captured in vitro.