The Sun reported on Wednesday that Conservatives are not prepared for nationwide polling and that UK Labour and opposition leader Jeremy Corbyn would defeat the Prime Minister using a coalition forged with the Scottish Nationalist Party (SNP) and Liberal Democrats (Lib Dems).
Tory MPs are also without updated voter statistics or a polling firm, with party members "demoralised" by months of in-fighting over budgets and internal reforms, the paper stated, compared to Labour who has surged in membership and supporters.
"It would take a tiny swing for Labour to sweep dozens of seats to become the largest party — with 40 Conservative constituencies held with a majority of just 5 per cent or smaller."
He added that if Conservatives could get back to a "reforming domestic agenda", they could win over "wavering voters" in key marginal constituencies and regain a "working majority".
"But an election now, with Labour at the gates, risks it all," he said.
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The news comes as Tory MPs mull whether calling snap elections to break an ongoing Brexit deadlock amid the Prime Minister's rejected Brexit draft plan, which suffered a crushing defeat of 432-202 on 15 January.
Mrs. May later presented her plan B deal on Monday, which ruled out the possibility of extending Article 50, but did not rule out a no-deal Brexit. A second referendum would not be supported by Commons and would damage political unity and social cohesion, she said.