A GP has warned that new Ofsted-style ratings for surgeries could lead to difficulties in recruiting enough doctors into the profession.
Dr Richard Vautrey, who is deputy chair of the British Medical Association's GP Committee, tweeted that a system designed to improve standards could have the opposite effect.
The Care Quality Commission has announced that surgeries which face 'inadequate' ratings under the new system could be threatened with closure.
More top news
The study by the National Childbirth Trust and National Federation of Women's Institutes found a lack of staff left some women frightened.
Extracts released by 10 Downing Street suggest Mrs May will say the UK will not settle for a "half-in, half-out" policy.
Milder for most of us