What induces the completion of the meiotic division of the secondary oocyte ?

Secondary oocyte is

Meiotic division of the secondary oocyte is completed:

During the meiotic division the

What induces the completion of meiotic division in secondary oocyte? Name the resultant cells formed.

During the meiotic division, the

The second meiotic division of the secondary oocyte is induced by

The second meiotic division of the secondary oocyte is induced by

After completion of second meiotic division of the secondary oocyte and result in the formation of a ul((A)) and a haploid ul((B)) .