If your income will remain the same on maternity leave, then postponing the closing or granting power of attorney to your agent or trusted friend should work equally well.
Best wishes, I wish you a healthy, happy baby!
You'll want to do some research online, but I don't believe your work can terminate you from employment for giving birth.
If anything, your work will verify employment when the VOE is called in, and advise you're on maternity leave.
I do know that I've had this happen with clients before who were trying to get a loan and the underwriter wanted clarity on lost income.
My client had to write a letter of explanation and provide the birth certificate of the newborn to pass that on the checklist.
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