am not sure anyone will be able to share their experience without more detailed information.You will need to explain your situation for the expert in the house to help
First at all, register my service Canada account at the link below,
http://www.esdc.gc.ca/en/msca/access.page
Secondly, select applying for employment insurance benefit online then select Maternity leave.
Note, you required the record of employment (ROE )from the current employer accumulated at least 600 hours of insurable employment during the qualifying period.