The loss of part of your short & long term memory due to pregnancy. May not be fully recooped after pregnancy, but continue on throughout your life.
I can't remember where I put the baby's diaper bag, must be early onset pregnesia.
A partial or total loss of who made you pregnant.
Doctor: Can you tell me the name of the father of the baby?
You: No... I don´t remember! *Crying*
Doctor: Well... My professional diagnose is that your suffering from pregnesia.