Banyak penelitian di berbagai belahan dunia menunjukkan bahwa nilai asupan kalsium dan vitamin D ibu hamil masih jauh di bawah nilai rekomendasi. Padahal, kalsium memiliki peranan penting dalam proses pembentukan tulang janin selama kehamilan. Penelitian ini bertujuan untuk mengetahui kadar kalsium darah ibu hamil pada trimester I dan hubungannya dengan asupan kalsium dan vitamin D. Studi potong lintang dipilih terhadap 120 subjek data sekunder ibu hamil trimester pertama di RSIA Bunda dan RSIA Budi Kemuliaan tahun 2013-2014. Data asupan kalsium dan vitamin D diperoleh dengan bantuan food frequency questionnaire FFQ. Sementara itu, data kadar kalsium darah diperoleh dengan menggunakan pemeriksaan laboratorium standar. Pengolahan data secara deskriptif dan analitik dilakukan dengan menggunakan SPSS for windows versi 20. Hasil penelitian menunjukkan bahwa ibu hamil memiliki nilai tengah usia 28 19-35 tahun, berpendidikan tinggi 53,5, memiliki pekerjaan 58,3, dan memiliki pendapatan tinggi 86,7. Nilai tengah asupan kalsium, asupan vitamin D, dan kadar kalsium darah ibu hamil berturut-turut adalah 418,9 20,5-1820,6 mg/hari, 1,9 0,0-6,9 mcg/hari, dan 8,9 8,1-10,1 mg/dL. Hasil uji korelasi Spearman menunjukkan bahwa tidak ada korelasi bermakna baik antara asupan kalsium dengan kadar kalsium darah ibu hamil r=0,114; p=0,215, maupun antara asupan vitamin D dengan kadar kalsium darah ibu hamil r=0,103; p=0,265.
Many studies show that maternal calcium and vitamin D intake are still below the recommendation value. Whereas, calcium has important role in skeletal formation during pregnancy. This study was held to know maternal blood calcium level among the first trimester and its relation with calcium and vitamin D intake. Cross sectional study was chosen to examine 120 data subjects from secondary data of 1st trimester pregnant women in RSIA Bunda and RSIA Budi Kemuliaan year 2013 2014. Data of calcium and vitamin D intake was collected using food frequency questionnaire FFQ. Besides, data of blood calcium level was analyzed by standard laboratory equipment. SPSS for windows version 20 was used to analyze the data descriptively and analytically. The results show that pregnant women have median of age 28 19 35 years, high educated 53.5, worker 58.3, and having high income 86.7. The median value of calcium intake, vitamin D intake, and blood calcium level are 418.9 20.5 182.6 mg day, 1.9 0.0 6.9 mcg day, and 8.9 8.1 10.1 mg dL respectively. The result of Spearman correlation test shows unsignificant correlation between calcium intake and bloood calcium level r 0.114 p 0.215, as well as between vitamin D intake and blood calcium level r 0.103 p 0.265. |
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