The 'Labour Variations' Game is one of my favourite parts of teaching a CBE class. It gives us the opportunity to do case studies for different types of births and talk through different strategies of how to cope (whether things move quickly or slowly).
Click for the pdf version of the 'Labour Variations' worksheet.
Whether you need to roll a die or flip a coin, this link here is for you.
And when it's time for a plot twist..