Standards for Reporting Qualitative Research (SRQR) checklist for a study protocol involving qualitative methods.Protocol Title: Optimising Exome Prenatal Sequencing Services (EXPRESS): A study protocol to evaluate rapid prenatal exome sequencing in the NHS Genomic Medicine ServiceThe qualitative arms of the EXPRESS study include interviews with parents and professionals about their views and experiences of prenatal exome sequencing. All qualitative data will be anonymised and analysed using the principles of codebook thematic analysis.