High court sided with health secretary Jeremy Hunt.
Junior doctors will go on five-day strikes in September, October, November and December.
Government not deterred by threat of further major strike action.
The BMA union has urged readers not to view the discussions as an agreed strategy.
A long-running contract dispute saw a series of historic strikes by junior doctors in England.
Increasing numbers are starting to blame both sides for the long dispute.
The government has failed to reach a deal with doctors over a new contract.
Doctors are walking out, but will you still be covered?
Actor Stephen Mangan said new contracts imposed on junior doctors are "ridiculous."
Junior doctors are up in arms over a new contract and its impact on women.
The British Medical Association alleges government failure to "follow due process".
The health secretary will impose new terms of employment even though no agreement has been reached.
Junior doctors in England are walking out over a contract dispute.