A birth plan gets misunderstood as a rigid script for how everything must go — which sets people up for disappointment, because birth rarely reads the script. It's more useful to think of it as a way to communicate your preferences clearly to the people caring for you: pain relief you'd like to try, who you want present, how you feel about various interventions if they're needed.
This gives you a structured template to set those preferences down, so they're clear and shareable rather than a panicked conversation in the moment — held flexibly, because your care team's medical judgement on the day comes first. Just try it: note your preferences, and treat it as the start of a conversation with your midwife, not a fixed plan.