Enrolment and follow‐up
syphilis
SYPHILIS, SYPHILIS
At enrolment, questionnaires were administered on socio‐demographic characteristics, mental health (PHQ‐2) [Syphilis testing was conducted through rapid plasma reagin (RPR) during the first ANC visit and results were abstracted from medical records. If no syphilis data were available, the study team provided testing using SD Bioline HIV/Syphilis lateral flow Duo Test Kits.Participants were seen at monthly ANC visits, followed by postnatal visits at 6 weeks, 14 weeks, 6 months and 9 months postpartum. Visits aligned with Kenya MoH recommendations for antenatal and infant immunization visits. Self‐reported PrEP adherence was assessed. At each follow‐up visit, participants had blood collected for HIV testing and those on PrEP had dried blood spots (DBS) collected for assessment of drug levels.Between June and October 2018, the Kenya MoH introduced the offer of partner HIVST to women attending MCH. Information on HIVST including: the offer of HIVST to partner, partner uptake and results were collected. All data were collected using password‐protected tablets and uploaded daily to encrypted Research Electronic Data Capture (REDCap) servers [