Posyandu, sebagai UKBM, berperan signifikan dalam meningkatkan kesehatan ibu dan anak. Melalui pendekatan Integrasi Layanan Primer (ILP), Posyandu Siklus Hidup bertujuan memperkuat layanan promotif dan preventif sepanjang siklus kehidupan. Penelitian di Puskesmas Ciganjur, Jakarta Selatan, menggunakan desain mixed methods sequential explanatory, mengungkapkan bahwa ketersediaan kader menjadi faktor utama keberhasilan meski terkendala distribusi tugas dan kompetensi. Keterbatasan sarana dan prasarana juga menghambat layanan terintegrasi. Edukasi dan promosi kesehatan telah dilakukan tetapi menghadapi tantangan media dan kesadaran masyarakat. Cakupan layanan mencapai 100% tiap bulan, deteksi dini stabil di 89%, namun tindak lanjut fluktuatif. Studi ini merekomendasikan penguatan kapasitas kader, infrastruktur, dan kolaborasi lintas sektor untuk meningkatkan efektivitas layanan posyandu dalam mendukung integrasi layanan primer.

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Posyandu, a community-based health initiative, plays a vital role in improving maternal and child health. Using the Primary Care Integration (ILP) approach, the Life Cycle Posyandu strengthens promotive and preventive health services across life stages. This study in Puskesmas Ciganjur, South Jakarta, employs a sequential explanatory mixed methods design. Key findings highlight the importance of kader availability, though challenges remain in task distribution, competency, and infrastructure limitations. While health education and promotion are active, barriers like limited media and low awareness persist. Service coverage reached 100% monthly, with stable early detection at 89%, but follow-up coverage fluctuated. Strengthening kader capacity, infrastructure, and cross-sector collaboration is crucial for sustainable primary care integration.