Hagos, Ashenafi (PhD)Rundasa, Abera2018-06-182023-11-042018-06-182023-11-042015-04http://etd.aau.edu.et/handle/123456789/1160This study entitled with mother support group in PMTCT services was conducted at Ambo Hospital. The main objective of the study was to explore and describe the role and related activities of mother support group in PMTCT services. Descriptive case study method was used to conduct such type of qualitative study. Participants of the study included were members of MSG, HIV positive pregnant and post partum women, and health professionals. The participants were selected through non probability sampling method, using purposive sampling technique accompanied by setting criteria. In-depth interviews and key informant interviews were used to collect data from the participants. In addition, observations were conducted to substantiate the data. The analysis started with transcription and translation of the data. Codes had been given based on participant answers, ideas, and meanings in relation to in-depth interview guide and key informant interview questions. The identified themes were examined against the stated research questions and research objectives. The final themes were developed through comparing initially stated propositions against the research findings. To enhance the rigor of the data mechanisms like familiarity with the culture, rapport building, and triangulation were applied. The study conducted according to social work ethical guide-line using consent form. The findings revealed that MSG primarily established to share their experiences to similar peers. Provision of PMTCT education, and psycho social support during ante-natal care, delivery and post partum care were the main services provided by MSG. Improvement of knowledge and skill on PMTCT, and infant and young child feeding practice, decrease of stigma and discrimination, increment of partner disclosure, increase of uptake of ARV, ante and postnatal care, decrease of work burden of clinicians, and low level of mother to child transmission were the main benefits of the services, and made the services is contributing to PMTCT services. Lack of continues training for MSG, absence of income generating activities, and low professional support were major challenges of services. The study has implication for social workers, maternal and child health programs and policies as to inculcate engagement of community members in different steps of their activitiesenMTCT; PMTCT; mother support group; and roles and related activities of MSGThesis