Background: Services for family planning (FP) and childhood immunization (CIS) are essential for the well-being of women and their families. Aim: To determine women's responsiveness and utilization of FP and CIS in primary healthcare clinics at Ismailia Governrate. Method: A descriptive research design was used in this study. Setting: The research was carried out at primary healthcare clinics under the health insurance scheme in the Ismailia governorate. Sample: Convenience sample of 366 women. Tool: data were collected using a questionnaire composed of four Parts: Part I: Women sociodemographic characteristic, Part II: Utilization of Primary Health Care (PHC) Service under Health Insurance Scheme data, Part III: Client Responsiveness Scale, and Part IV: Women's Perspectives on FP and Immunization Service Integration. Results: All women in the study used primary health care services, and 80.1% of them responded satisfactorily to FP and child immunization services. Conclusion: A statistically significant relationship exists between a woman's age, place of residence, family income and how responsive she is to FP and child immunization services. Also statistically significant relationship exists between the women's receptivity to FP and child immunization services and the child age, residence, and ranking at P < 0.05. Recommendations: Increase awareness by reaching communities through awareness programs and brochures to improve the accessibility of health services and enhance the benefits of their provision.