Nadine Dorries has said that she "would have considered other options if she had not been reinstated as a Conservative MP."
Dorries was suspended last year following her appearance on ITV show 'I'm A Celebrity Get Me Out Of Here'.
Her acceptance back into the Tory fold comes amid speculation over Tory defections to Ukip.
She told ITV News Political Editor Tom Bradby: "There is no secret that I want out of the European Union."
Read more: Nadine Dorries reinstated as Tory MP
Vice chairman of the Conservative Party Michael Fabricant has taken to Twitter to welcome Nadine Dorries back to the party, following reports of her reinstatement.
Nadine Dorries has been given the Conservative whip back by Sir George Young, Coffee House reports.
The Conservative MP was suspended last November for appearing on the TV show I'm a Celebrity Get Me Out of Here.