ABSTRAKLatar Belakang: Kelas ibu hamil merupakan sarana untuk belajar kelompoktentang kesehatan bagi ibu hamil dalam bentuk tatap muka.Tujuan Penelitian: Untuk mengetahui hubungan antara sikap ibu denganfrekuensi kehadiran dalam kelas ibu hamil di Puskesmas Jambukulon KecamatanCeper Kabupaten Klaten.Metode Penelitian: Menggunakan desain observasional analitik denganrancangan cross sectional. Teknik sampling secara cluster sampling denganjumlah sampel 56 ibu hamil. Instrumentasi penelitian berupa kuesioner danlembar observasi. Analisa data menggunakan uji statistik Lambda.Hasil Penelitian: Sebagian besar ibu hamil mempunyai sikap positif tentang kelasibu hamil yaitu 31 ibu hamil (55,4 %) dan frekuensi kehadiran tinggi dalam kelasibu hamil yaitu 29 ibu hamil (51,8 %). Hasil analisis lambda yaitu nilaisignificancy (p) sebesar 0,000 (p < 0,05) dengan nilai korelasi lambda (r) sebesar0,741.Kesimpulan: Terdapat hubungan yang bermakna antara sikap ibu denganfrekuensi kehadiran dalam kelas ibu hamil di Puskesmas Jambukulon KecamatanCeper Kabupaten Klaten dan arah korelasi positif dengan kekuatan korelasi kuat.Kata kunci : Sikap, Frekuensi Kehadiran, Kelas Ibu HamilABSTRACTBackground: Class of pregnant women is a means to learn about the health groupfor pregnant women in the form of face-to-face.Objective: The study aims to determine the relationship between mother's attitudeto the frequency of class attendance in pregnant women in sub-district healthcenters Ceper Jambukulon Klaten district.Methods: Using observational analytic with cross sectional design. The samplingtechnique used cluster sampling with a sample of 56 pregnant women.Instrumentation research using questionnaires and observation sheets. Analysis ofthe data using statistical tests Lambda.Results: The majority of women have a positive attitude in class pregnant womenis 31 pregnant women (55.4%) and a higher frequency of attendance in the class is29 pregnant women pregnant women (51.8%). The results of the analysis oflambda value is significancy (p) of 0.000 (p <0.05) with a correlation value oflambda (r) of 0.741.Conclusion: There is a significant association between mother's attitude to thefrequency of attendance in the class of pregnant women in health centers CeperJambukulon District of Klaten regency and toward a positive correlation with thestrength of a strong correlation.Keywords: Attitude, Frequency of Attendance, Class Pregnant Women