The immunization is the important aspect for the maintain or regulate the vital characteristics of normal human being of an individual. In during pregnancy, the immunization or its knowledge is essential for the antenatal mothers for consume safe birth of new born or safe motherhood with child care. Many research evidences lead to the conclusion that immunization is effective method on physical or mental development of mother and child. Assessment of knowledge of antenatal mothers regarding immunization helps to find out the inadequacies in knowledge among antenatal mothers.

The aim of the present study was to assess the knowledge and effectiveness of flash cards regarding immunization among antenatal mothers in Heera Kunwar Baa Janana Hospital Jhalawar Rajasthan and to find out association between the knowledge score and the selected socio demographic variables. The research design adopted for this study was descriptive design used to assess the knowledge regarding immunization among antenatal mothers. The data was collected from selected antenatal mothers of Jhalawar and 60 samples were selected using non probability purposive sampling techniques.

The tools used for data collection had 2 section: section A- Socio demographic variables to collect the characteristics of sample, section B- Structured knowledge questionnaire with 30 items to assess the knowledge of antenatal mothers. The steps involved in development of tool were preparation of blue print, construction of item, testing, validity, reliability including pilot study and preparation of the final copy of the instrument.

The investigator obtained written permission from the medical superintendent of the Heera Kunwar Baa Janana hospital of education prior to data collection period. In tests the mothers were asked to fill the structured knowledge questionnaire and after that administer flash cards. The data collected were then analysed using descriptive or inferential statistics and interpreted in terms of objectives of the study. The level of significance was set at 0.001 levels.

Results: Regarding knowledge of antenatal mothers on immunization, majority 14% of antenatal mothers had moderate knowledge, 35% of mothers had adequate knowledge and 24% had inadequate knowledge on immunization. Regarding knowledge level of antenatal mothers towards immunization, majority 70% of antenatal mothers had moderate knowledge, 20% of antenatal mothers had favourable knowledge and only 10% had unfavourable knowledge towards immunization. Similarly, there are significant knowledge score that majority 70% of antenatal mothers had favourable attitude towards flash card on immunization, 30% of antenatal mothers had unfavourable attitude towards flash cards on immunization. The above findings clearly indicated that after the administration of flash cards, there was significant improvement in level of knowledge of antenatal mothers.