You couldn't get down to business until after the small talk and a pregnant pause.

What can only be described as a pregnant pause then followed.

A pregnant pause followed, David simply too surprised to say anything.

There's a pregnant pause on the other end of the telephone line.

A long pregnant pause where they simply stared at each other.

There was a long silence - what I think might be called a pregnant pause.

The silence hung between them in a long, pregnant pause.

This is what could be termed in as a a pregnant pause!

There was a pregnant pause before she said, "Now we're having a fight."

There was a pregnant pause, then a little laugh on the part of the speaker.