Nick Clegg is expected to say that a new legal right will be given to men to take unpaid leave to attend two antenatal appointments.
Added to tax changes, Mr Clegg will say the reforms have the potential to transform opportunities for young parents considering starting a family.
You won't get to 30 and suddenly have to choose - motherhood or work - because we're making the changes that will give you a route back.
That means women up and down the country realising their potential, keeping their independence, fulfilling their dreams. It means children up and down the country benefiting from having their fathers in their lives.
It means an economy running on all cylinders, and it means a nation reaping the rewards. Greater equality; a fairer society; a stronger economy too.
More top news
It is the model and actress’s first daughter.
The baby’s full name is Neve Te Aroha Ardern Gayford.
The first LNER service will be the 7.54am departure from Newcastle to London King’s Cross.