How to write a model essay when applying for maternity leave

The first part of maternity leave application:

Leaders:

As I finished my maternity leave on xx, xx, but I was weak, I couldn't return to my normal state during my vacation, and I couldn't go to work normally after my maternity leave, so I hereby apply for extending my maternity leave to xx, xx. Please give approval!

I am here to convey

welcome

Applicant: XXX

20xx year x month x day

Maternity leave application Part II:

Leaders:

Because I am pregnant, I will give birth next month, and now I need to go home to recuperate and get ready for birth. I hereby apply for a leave of X months. I hereby apply to the company for official maternity leave on X-day, which is expected to last from X-day to X-day, and hope to be approved. At present, the work of this post has been handed over to Comrade xxx. After the recent handover, Comrade xxx is fully qualified for this position. I hereby apply to the leader for approval.

I am here to convey

welcome

Applicant: XXX

20xx year x month x day

Maternity leave application Part III:

Dear company leaders:

As my due date (X month X day) is approaching, in order to avoid causing trouble to my work and colleagues, I hereby apply to the company leader for maternity leave from X month X day. The company stipulates that maternity leave is xx days, and it is expected to return to work on X, X, and hope the leaders will approve it!

I am here to convey

welcome

Applicant: XXX

20xx year x month x day