stumbling block

Dr Bloomer, who has been involved in academic research on foetal abnormalities, said the main stumbling block is funding earlier screening.

But this may be the first season in which politics joins that list of possible stumbling blocks, even if they don’t say so.

A major stumbling block which resulted in previous talks breaking down was due to proposed changes to working conditions.

However, disagreements around the breadth and scope of the review have been the major stumbling block.

However, the disagreement which led to Cancelo spending time on loan with Bayern Munich and Barcelona over the past 18 months was always likely to prove a major stumbling block.