18–35 years old

Willing and able to provide informed consent to participate in the study

Self-reported to be sexually active

Not pregnant (determined by pregnancy test)

Accessing family planning service

User experiences/perceptions activity:

• Local or regional policymakers, programmers and other opinion leaders and decision-makers

• Healthcare professionals at health facilities—women who are eligible for the diagnostic study (including pregnant and menstruating women), but who are not part of the diagnostic study

Discrete choice experiments: women who are eligible for the diagnostic study (including pregnant and menstruating women), who are either part of, or not part of, the diagnostic study

Decision tree classification algorithm: data from diagnostic study participants

Economic evaluation: healthcare professionals at health facilities involved in GIFT device implementation able to complete timesheets

<18 years or >35 years

Refusal by a participant to participate in the study

Treatment for any STI/BV in the past 30 days

Pregnancy

Enrolled in a study that does not allow co-enrolment in other studies

User experiences/perceptions activity:

• Non-relevant policymakers

• Healthcare professionals at health facilities not included in diagnostic study

• Women who are :

  • part of the diagnostic study

  • <18 years or >35 years

  • Treated for any STI/BV in the past 30 days

  • Pregnant

  • Enrolled in a study that does not allow co-enrolment in other studies

Decision tree classification algorithm: participants for whom there are no diagnostic study data

Economic evaluation: healthcare professionals not at study sites, not involved in GIFT device implementation and/or not able to complete timesheets