ABSTRAKVitamin E adalah antioksidan yang dapat melindungi tubuh dari radikal bebas. Asap rokok menghasilkan radikal bebas di dalam tubuh. Paparan asap rokok selama kehamilan dapat mengakibatkan hambatan pertumbuhan bayi dan berat badan lahir rendah (BBLR). Penelitian ini bertujuan untuk mengetahui pengaruh pemberian vitamin E pada tikus (Rattus norvegicus) bunting yang dipapar asap rokok subakut terhadap berat badan bayi lahir aterm. Penelitian ini menggunakan 20 tikus bunting yang dibagi menjadi 5 kelompok; kontrol negatif (P0), kontrol positif (P1), kelompok dengan 3 dosis vitamin E (P2:100, P3:200, P4:400 mg/kgbb/hari). Vitamin E diberikan sejak hari pertama hingga hari ke-19. Asap rokok dipaparkan pada hari ke-6 hingga hari ke-19. Tikus dibedah pada hari ke-20, bayi tikus ditimbang dan dihitung rata-rata berat badan lahirnya. Hasil penelitian menunjukkan adanya penurunan berat badan rata-rata (p = 0,044) pada P1 dibanding P0. Pada P2 terjadi peningkatan rata-rata berat badan lahir yang signifikan (p = 0,003), sedangkan peningkatan berat badan lahir pada P3 dan P4 tidak signifikan (masing-masing p = 0,085 dan p = 0,467). Kesimpulan penelitian ini adalah pemaparan asap rokok subakut dapat menurunkan berat badan lahir rata-rata, pemberian vitamin E dosis 100 mg/kgBB/hari dapat meningkatkan berat badan lahir, dan pemberian vitamin E dosis 200 dan 400 mg/kgBB/hari meningkatkan berat badan lahir bayi aterm .Kata kunci: Asap rokok, Berat badan lahir aterm, Tikus (Rattus norvegicus), Vitamin E. ABSTRACTVitamin E is an antioxidant that can protect the body from free radicals. Cigarette smoke is free radicals source. Exposure to cigarette smoke during pregnancy can cause miscarriage, intrauterine growth restriction, and low birth weight. The aim of this study was to investigate the effect of vitamin E in pregnant rat that exposed with subacute to cigarette smoke on aterm birth weight. Twenty pregnant rats were randomly divided into 5 groups, as follows: negative control group that was neither exposed to cigarette smoke nor treated by vitamin E (P0), positive control group that was exposed to cigarette smoke without vitamin E supplementation (P1), three groups that were treated with 3 different doses of vitamin E (P2 = 100, P3 = 200, P4 = 400 mg/rat/day). Vitamin E is given on day 1 to day 19. Cigarette smoke was exposed to rats on day 6 to day 19. On day 20 of gestation, the rats were dissected, fetal rats were pondered and the average birth weight was calculated. The result showed that P1 decreased significantly compared to P1 (p = 0,044). In P2 group showed significantly increasing the average of birth weight (p = 0,003), while increasing the birth weight in P3 and P4 was not significant (p = 0,085 and p = 0,465, respectively). In conclusion, subacute cigarette smoke exposure reduce the average of fetal birth weight and vitamin E supplementation with dose of 100 mg/rat/day can increase the average fetal birth weight, but vitamin E supplementation with dose of 200 and 400 mg/rat/day can not increase the average of ate...
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