Differentiating Events that Occur Before and After Ovulation In the Ovarian Cycle Drag each of the terms or statements into the proper category to identify whether it refers to an item or process that occurs prior to or after ovulation. Assume that fertilization is successful. Solution Second meiotic division begins. First polar body formation. Antrim formation. First meiotic division Creation of zonal pellucida Second meiotic division completes Second.polar body formation. Corpus luteum formation. Dramatic increase in progesterone level. Ova enter into infindibulum.Before ovulationAfter Ovulation. Second meiotic division begins. First polar body formation. Antrim formation. First meiotic division Creation of zonal pellucida Second meiotic division completes Second.polar body formation. Corpus luteum formation. Dramatic increase in progesterone level. Ova enter into infindibulum..