Question: when does karen find out she's pregnant shameless

title: Shameless (season 2)
text: The Gallaghers celebrate Thanksgiving by inviting a large group over , planning on eating the bald eagle Carl shot with a gun he found . Lip prepares himself for the arrival of his baby by creating a movie for when the child grows up . Estefania 's boyfriend Marco ( Thierre Di Castro ) finally shows up and is enraged that Steve had sex with her , even though they 're married . Frank tries to get his share of his mother 's money from his brother Clayton ( Kristoffer Winters ) but is unsuccessful . Ian goes back to the gay club and sleeps with an older businessman calling himself Ned . As the Gallaghers celebrate thanksgiving dinner , Monica attempts to commit suicide , abruptly ending the family 's gathering . Karen goes into labor and gives birth . The baby turns out to be Asian and has down syndrome , and Lip realizes it 's not his . The baby 's adoptive parents decide not to take it , and Karen does n't want it . Sheila ends up stealing it from the maternity ward .