Latar Belakang : Kehamilan usia muda merupakan masalah kesehatan reproduksi yang masih sering terjadi dan berdampak negatif bagi ibu maupun bayi. Remaja putri memiliki pengetahuan dan sikap yang kurang terhadap kesehatan reproduksi ini berisiko lebih tinggi mengalami kehamilan usia muda. SMA N 1 Bebandem belum pernah menyelenggarakan penyuluhan kesehatan reproduksi, sehingga informasi umumnya diperoleh dari media sosial. Tujuan : Mengetahui hubungan antara pengetahuan dan sikap remaja putri tentang kehamilan usia muda di SMA N 1 Bebandem. Metode : Penelitian ini merupakan penelitian kuantitatif dengan pendekatan analitik korelatif menggunakan desain cross-sectional. Sampel penelitian sebanyak 191 responden remaja putri yang dipilih melalui proportionate statified random sampling. Instrumen yang digunakan berupa kuesioner. Analisis data dilakukan menggunakan uji Chi-Square dengan tingkat kepercayaan 95%. Hasil : Responden memiliki pengetahuan yang cukup tentang kehamilan usia muda (82,7%) dan sikap yang cukup (78,5%). Terdapat hubungan yang signifikan antara tingkat pengetahuan dan sikap remaja putri tentang kehamilan usia muda. ( p-value 0, 182 ) Kesimpulan : Terdapat hubungan yang signifikan antara pengetahuan dan sikap remaja putri tentang kehamilan usia muda di SMA N 1 Bebandem. Peningkatan edukasi kesehatan reproduksi di sekolah perlu dilakukan untuk mencegah kehamilan usia muda. Kata Kunci : Pengetahaun, Sikap, Kehamilan Usia Muda, Remaja Putri.

Background: Early pregnancy is a reproductive health problem that still occurs frequently and has a negative impact on both mother and baby. The teenage girls with poor knowledge and attitudes towards reproductive health are at higher risk of experiencing early pregnancy. SMA N 1 Bebandem has never organized reproductive health counselling, so information is generally obtained from social media. Aim: To find out the correlation between knowledge and attitudes of teenage girls about early pregnancy in the Public Senior High School 1 Bebandem. Methods: This study was a quantitative study with a correlative analytic approach using a cross-sectional design. The research sample was 191 female teenagers selected through proportionate statified random sampling. The instrument used was a questionnaire. Data analysis was performed using the Chi-Square test with a 95% confidence level. Results: The majority of respondents had sufficient knowledge about early pregnancy (82.7%) and sufficient attitude (78.5%). The study also found a significant correlation between the level of knowledge and attitude of teenage girls about early pregnancy (p-value 0, 182) Conclusion: There is a significant correlation between knowledge and attitude of teenage girls about early pregnancy at Public Senior High School 1 Bebandem. It is necessary to improve the reproductive health education in schools to prevent early pregnancy. Keywords: Knowledge, Attitude, Early Pregnancy, Teenage Girls.