Introduction: The World Health Organization (WHO) defines low birth weight (LBW) as a baby weighing less than 2500 grams. LBW is still a significant global public health issue because of its adverse effects on pregnant women's health. Nulliparity is also linked to low birth weight (LBW) and other factors that complicate pregnancy. Objective: This study aimed to find out if there was a link between maternal parity during pregnancy and the prevalence of LBW at the Gading Health Center in Surabaya. Method: This study is an analytical observational epidemiological study with a case-control approach. Data were analyzed using a comparative study hypothesis test between two variables in two independent sample groups of 40 mothers who have given birth to LBW babies and 40 mothers who have given birth to non-LBW babies. The MCH handbook contained a questionnaire and a health record form for pregnant women, which were used to collect data. The chi-square statistical test was used to analyze the data for this study. Results and discussion: The findings revealed a relationship between the number of parity (p = 0.005) and the occurrence of LBW, as determined by Odd's Ratio (0.214). The number of parities in primiparas mothers who gave birth to LBW and mothers who gave birth to non-LBW was more significant than the number of parities in multiparas. Conclusion: It is possible to conclude that there is a substantial relationship between the number of parities and the occurrence of LBW. To avoid the event of LBW, pregnant women should pay closer attention to the number of parity or the state of giving birth to live or dead children.

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Prevalensi overweight di Indonesia pada anak usia 5-12 tahun sebesar 10,4% pada anak laki-laki dan 11,2% pada anak perempuan, sedangkan prevalensi obesitas pada anak usia 5-12 tahun sebesar 10,7% pada anak laki-laki dan 7,7% pada anak perempuan. Penyebab terbesar obesitas pada anak ialah pola aktivitas dan pola makan. Penelitian ini bertujuan untuk mengetahui dan menganalisis hubungan antara aktivitas fisik dengan indeks massa tubuh pada anak sekolah dasar kelas 4-5 di SD Citra Berkat dan SDN Made 1 Surabaya. Subjek dalam penelitian ini adalah anak sekolah dasar kelas 4-5 di SD Citra Berkat yang berjumlah 170 siswa dan SDN Made 1 Surabaya yang berjumlah 138 siswa. Penelitian analitik observasional dengan desain cross sectional dengan menggunakan instrumen timbangan badan, microtoise, dan PAQ-C. Hasil penelitian berdasarkan uji Mann Whitney terdapat perbedaan bermakna IMT dengan p value = 0,000 dimana siswa overweight dan obesitas pada SDN Made 1 lebih banyak daripada SD Citra Berkat . Terdapat perbedaan bermakna aktivitas fisik dengan p value = 0,003 dimana proporsi aktivitas fisik tinggi dan sangat tinggi pada SD Citra Berkat lebih banyak daripada SDN Made 1. Dengan uji Spearman rank terdapat hubungan bermakna antara aktivitas fisik dengan IMT pada siswa SDN Made 1 dengan p value = 0,003, sedangkan pada siswa SD Citra Berkat tidak terdapat hubungan bermakna antara aktivitas fisik dengan IMT dengan p value = 0,208. Kesimpulan: Terdapat hubungan bermakna antara aktivitas fisik dengan IMT pada siswa SDN Made 1, sehingga kejadian obesitas anak didapatkan pada komunitas dengan aktivitas fisik yang rendah.

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Coronavirus Disease-19 (COVID-19) is an infectious disease caused by a newly discovered type of coronavirus. Comprehensive management for COVID-19 patients includes infection control, hemodynamic stability maintenance, oxygenation monitoring, ventilation, and pharmacotherapy administration. Convalescent plasma is one of the COVID-19 therapy choices, proven to provide relief for Ebola, SARS, and MERS patients. Therefore, the authors believed in searching data on whether convalescent plasma therapy also improves COVID-19 patients, specifically in terms of mortality. This study aims to compare the comparison in mortality between standard therapy and convalescent plasma therapy with standard therapy only in COVID-19 patients. This study used a systematic review and meta-analysis method according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. This study used ten studies that met the inclusion criteria to evaluate the comparison in mortality between the combination therapy with standard therapy only in COVID-19 patients. There was a significant difference in mortality between the combination of standard therapy and convalescent plasma therapy with standard therapy only in COVID-19 patients, and mortality in the combination therapy groups being lower than standard therapy only.