Thousands of campaigners marched from St. Thomas' Hospital to Downing Street this lunchtime to put pressure on the Government about changes to hospitals in the capital. Several have been told they will have units closed or downgraded. Glen Goodman joined the marchers.
For the first time, it's now possible for doctors to see minute details of how a baby's brain is forming while it is still in the womb.
The breakthrough has been made at St Thomas' Hospital in south London.
Liz Wickham was given exclusive access for this report.
Hard as this is to say - Bless Millwall, for moving their match to not clash with the march against hospital cuts in LewishamFrom @mrmarksteel on Twitter:
The London Assembly's Health and Environment Committee will hear opinions from a range of experts about proposed cuts to accident and emergency units later. Seven hospitals are under threat across the capital.
NHS hospitals in London are to be encouraged by the government to sell their services abroad to raise money for patients in the capital.
Great Ormond Street and the Royal Marsden are among those to be invited to set up branches overseas.
But opponents say the only focus of an NHS hospital should be to treat patients on the NHS.
Our Health Correspondent Liz Wickham has the details.