AIDS 1 Antenatal mothers 1 Cardiovascular 1 HIV information need 1 HIV/AIDS 1 Health promotion 1 Hypertension 1 Kathmandu 1 Knowledge 1 Latent class models 1 Medical students 1 Mixture models 1 Mother to Child Transmission 1 Nepal 1 Perception 1 Prevalence 1 Risk factors 1 Segmentation techniques 1 Social marketing 1 Tribhuvan University Teaching Hospital 1 Unobserved heterogeneity 1 kathmandu 1