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All Journal Jurnal Laboratorium Khatulistiwa
Yeni Avidhatul Husnah
Jurusan Teknologi Laboratorium Medis, STIKes Maharani Malang
Biochemistry, Genetics & Molecular Biology Education Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology

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Association Between Gestational Trimester and Hemoglobin Levels among Pregnant Women at Dau Public Health Center, Malang Regency Reftika Anggraeni; Yeni Avidhatul Husnah
Jurnal Laboratorium Khatulistiwa Vol 9, No 2 (2026): MEI 2026
Publisher : poltekkes kemenkes pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30602/jlk.v9i2.2170

Abstract

Physiological changes during pregnancy, particularly in the second and third trimesters, may affect maternal hemoglobin levels, which play a crucial role in oxygen transport to the fetus. Hemoglobin imbalance during pregnancy may increase the risk of maternal anemia and adverse pregnancy outcomes. This study aimed to analyze hemoglobin levels among second and third trimester pregnant women at Dau Public Health Center, Malang Regency, and to identify factors associated with hemoglobin status. This study employed a descriptive quantitative design using a total sampling technique involving 25 pregnant women, consisting of 13 second trimester and 12 third trimester respondents. Hemoglobin levels were measured using a hematology analyzer, while supporting data were collected using questionnaires related to iron tablet consumption, dietary patterns, antenatal care (ANC) visits, sleep duration, and anemia history. The results showed that the mean hemoglobin level in the second trimester was 11.75 g/dL, while in the third trimester it increased to 12.94 g/dL. Most respondents had normal hemoglobin levels (96%), while only one respondent (4%) demonstrated elevated hemoglobin levels in the third trimester. Routine iron supplementation, regular ANC visits, and adequate nutritional intake were identified as factors associated with normal hemoglobin levels. These findings indicate that most pregnant women at Dau Public Health Center maintained normal hemoglobin status during pregnancy. Regular monitoring of hemoglobin levels and nutritional education remain important to prevent maternal anemia and pregnancy complications.
Association between Working Duration and Hemoglobin Levels among Parking Attendants at Gondanglegi Market, Malang Regency Aina Salma Hikmatul Maula; Yeni Avidhatul Husnah; Previta Zeizar Rahmawati
Jurnal Laboratorium Khatulistiwa Vol 9, No 2 (2026): MEI 2026
Publisher : poltekkes kemenkes pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30602/jlk.v9i2.2161

Abstract

Hemoglobin (Hb) is an essential parameter in oxygen transport and can be affected by occupational and environmental factors, including working duration. Parking attendants at Gondanglegi Market, Malang Regency, are exposed to prolonged working hours, vehicle emissions, and high physical activity, which may contribute to decreased hemoglobin levels. Previous studies have reported that occupational exposure to air pollution and long-term workload may negatively influence hematological status. However, studies focusing on hemoglobin levels among informal sector workers, particularly parking attendants, remain limited. This study aimed to analyze the hemoglobin levels of parking attendants based on their working duration at Gondanglegi Market, Malang Regency. A descriptive quantitative study design was employed using a total sampling technique involving 25 respondents. Blood samples were collected from parking attendants, and hemoglobin levels were measured using a photometer with the Cyanmethemoglobin method at the Bululawang Public Health Center Laboratory. The findings revealed that most respondents with a working duration of less than 10 years had normal hemoglobin levels, whereas respondents with more than 10 years of service tended to have hemoglobin levels below the normal range. These findings indicate that prolonged occupational exposure and longer working duration may contribute to decreased hemoglobin levels among parking attendants.
Co-Authors Aina Salma Hikmatul Maula Previta Zeizar Rahmawati Reftika Anggraeni