A decision cannot yet be made about your application

Can you please explain what application was filed

How to handle visa transfer issue and what should I do as first steps

You should consult with company b attorney and see what your options vare

US embassy asked for passport back. What does it mean?

If they asked him for the passport you should be ok and be patient you will get something soon

Am I able to get copies of mothers citizenship and passport even though she passed away?

You should consult with a local immigration attorney and have them try a FOIA

You should be ok you should have no problems getting in or out

Previously asked previously answered

I'm sorry what is a twic care exactly

Change visa status from B2 to H4.

If she is here then you can change status in the United States provided that all paperwork is good

What forms are needed for permanent residence?

You should really consult with a local immigration attorney some of them are free consultations

Sorry the pregnancy will not speed up the process for a green card