Afterbirth/Placenta

What does Afterbirth or a Placenta mean in a dream?

An Afterbirth in a dream can represent:
Afterbirth is a connection that is severed after a birth.
A placenta gives sustinence and nourishment to a fetus.
The afterbirth was essentially a temporay necessity.
Is the dream referring to a situation where you feel you have or need a sustaining and nourishing relationship?
Do you need to let go of something from your life that is not longer needed or neccessary?