If you mean playing it then yes, if not, then it's up to you.
Lower the difficulty?... I'm not sure I understand what you mean?
Very soon, be patient.
As soon as you know your pregnant.
AS SOON AS POSSIBLE (A.S.A.P)
You should be given a bra as soon as you start to develop breasts.
as soon as you start the vehicle it should register
No. But if you try to touch him/her would start chirping.
Bethesda has announced that the Downloadable Content (DLC) will be released soon enough.
She can start right away.
The general rule of thumb is that you should start shopping for maternity clothes around the time you start showing or very soon thereafter.
81 so far, hopefully there will be a patch release for the levels after 81 soon.
You can start as soon as you'd like. However you should wait longer than that because of possible complications.