Actress Mila Kunis is reportedly thinking about having a home birth because she wants to feel as relaxed as possible during labour.

The 31-year-old is expecting her first child with fiance Ashton Kutcher.

"She wants to give birth at home,` showbizpsy.com quoted a source as saying.

The `Black Swan` star is also eager to give birth naturally.

"Mila wants to give their baby the very best, and she thinks that includes an all-natural childbirth. She wants there to be as little medical intervention as possible,` said the source.