Table 1.

Search terms

Midwife or midwives or midwifery or nurse-midwife or obstetrician or doctor or physician or dr or ob or obstetrics or nurse-midwives or obstetric nurse or nurse or trainee or registrar or practitioner or personnel or resident or medical officer or medical or provider or worker or specialist or attendant or graduate or professional or intern

Assisted vaginal delivery or assisted vaginal birth or ventouse or vacuum or kiwi or extraction or vacuum assisted delivery or forceps delivery or instrumental delivery or instrumental birth

Skill* or knowledge or competence or train* or education or expertise or instruction