they can fire you for any reason or no reason.
If its for no reason then they have to pay an unemployment claim which is\was 40% of the weekly average of your last however many weeks wages.
If its for cause then you get jack.
The fact that they are talking to a pregnant woman means she is going to sue because she is in a protected class. She’s gotten bad legal advice. Protected classes are not protected when 50% of the company is being let go.