Background: Antenatal care services are very influential in reducing mortality due to childbirth if done with the number and frequency in accordance with service standards. The influential factor in implementing antenatal care is family support such as social support from both husband and family that have an important role to prevent from the threat of mental health. The role of a good family support, can encourage pregnant women to carry out antenatal examinations according to standards.

Objective: To analyze the relationship between family function and antenatal care compliance at Primary Health Care.

Method: This type of research is analytic observational with cross sectional approach. Respondents were taken using purposive sampling method totaling of 74 respondents. The study sample was pregnant and postpartum women at Kartasura Primary Health Care. Measurement of family functions using the APGAR questionnaire. This study uses Chi Square statistical tests.

Results: Based on family function, 48 families (64.9%) were classified as healthy families with 56 obedient pregnant women carrying out ANC, 26 families (35.1%) less healthy with 18 obedient pregnant women. This study uses a test Chi Square statistics obtained p = 0.001.

Conclusion: There is a significant relationship between family function and antenatal care compliance.