[[WMG: The pregnancy test found in Penny's room...]]

Is Lily's. She used Penny's bathroom instead of her own because she wanted to keep things secret from Ben until she knew for sure. Not the wildest of guesses, granted (many of the GH forum readers guessed this from the moment Zoot found the test).
* [[http://www.rhjunior.com/goblin-hollow-0382/ Confirmed]].