'There must exist a world in which I can balance those things, be able to raise a family and still make a film a year, or work on my own, develop things, do theatre. I want to be able to have it all,' says the star.
She added: 'It seems so stressful to not be able to spend time with your family because you're constantly chasing the tail of your own success.'
Johansson is currently in a relationship with French journalist Romain Dauriac, who she began dating in 2012. As a result Scarlett now spends most of her time living in Paris.
The curvaceous beauty was previously married to actor Ryan Reynolds for three years until 2011, with both actors moving on the next year - Ryan marrying Gossip Girl actress Blake Lively.
'I know that there will be some sacrifices,' said Scarlett of her impending motherhood. 'I know that's the struggle with working mothers and successful careers.'
Do you think it's possible to succesfully balance a busy career with motherhood? Or will something have to give?