Development and preliminary validation of the GebStart-tool for advising nulliparous women in early labour.

Objectives: Nulliparous women in early labour are unsure when to go to hospital. The aim of this study was to develop and preliminary validate a tool for advising for or against hospital admission.

Methods: We developed the preliminary long version of the GebStart-tool with 32 items based on focus group discussions and a scoping review.