<Table> <Tr> <Td> </Td> <Td> This article needs more medical references for verification or relies too heavily on primary sources . Please review the contents of the article and add the appropriate references if you can . Unsourced or poorly sourced material may be challenged and removed . (December 2017) </Td> <Td> </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs more medical references for verification or relies too heavily on primary sources . Please review the contents of the article and add the appropriate references if you can . Unsourced or poorly sourced material may be challenged and removed . (December 2017) </Td> <Td> </Td> </Tr> <P> The follicular phase is the phase of the estrous cycle, (or, in humans and great apes, the menstrual cycle) during which follicles in the ovary mature . It ends with ovulation . The main hormone controlling this stage is estradiol . There are several steps in the process of follicular development that occur in the follicular phase: Initiation, Recruitment and progression, Pre-ovulatory maturation and Ovulation . These processes occur in different areas of the body and will be briefly explained below . </P>

Which of the following does not occur during the follicular phase of the ovarian cycle