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    Item type:Publication,
    Trends in Cesarean Section in a Tertiary Referral Hospital: Time-Series Analysis
    (Mongolian National University of Medical Sciences, 2025-06-30)
    Enkhmaa, Davaasambuu
    ;
    Enkhtaivan, Oyunkhand
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    ;
    Erdenebileg, Nasantogtokh
    ;
    Baatar, Tsedmaa
    Objectives: To analyze the causes and indications of C-sections conducted at the tertiary referral center and to forecast future patterns. Methods: We retrospectively analyzed 25,311 delivery records from 2013 to 2022 at the National Center for Maternal and Child Health, Mongolia. All C-sections from 22 weeks’ gestation onward were included. Data were collected using a structured questionnaire form including maternal, obstetric history, surgical indications, and other influencing factors. Causes of C-sections were identified through descriptive statistics, logistic regression, and ARIMA time-series modeling. Statistical analysis was performed using Stata BE 18.0, with p < 0.05 considered significant. Results: The mean gestational age was 38.1±2.09 weeks, the 88.4% of pregnancies were term deliveries, and 42.6% were emergency C-sections. The most common indications for C-section were previous C-section, maternal comorbidity, severe preeclampsia, and fetal distress. According to time-series analysis, despite of no significant change in the C-section rate during the study period, the trends in C-sections are growing. The percentage of nulliparous women in total C-sections is likely to increase by 0.81% per year. In 2030, the percentage of C-sections will reach 35.5%, whereas the percentage of emergency C-sections in total C-sections will reach 59.5%. Conclusions: C-sections for nulliparous women were mainly due to failed birth induction, failed labor stimulation, and fetal distress. It is estimated that the percentage of C-sections in total births will increase by 0.02% annually, reaching 35.5% by 2030.
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    Item type:Publication,
    Skin aging risk factors: A nationwide population study in Mongolia risk factors of skin aging
    (Public Library of Science (PLoS), 2022) ;
    Myatav, Tuul
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    ; ;
    Batbold, Chuluunbileg
    The world population is aging and no country is immune to the consequences. We are not aware of any country-specific skin aging risk factors data for the Mongolian people. Thus, we aimed to study the risk factors associated with skin aging in the Mongolian population. A population-based cross-sectional study of 2720 study participants 18 years of age and older was performed evaluating the severity of skin aging based on cutaneous microtopography. Questionnaire data and skin physiological measurements were obtained. The odds ratios for skin aging grades associated with risk factors were estimated using ordinal logistic regression. Study participant's mean age was 45 years, ranging from 18 to 87. After adjustment for known risk factors, skin aging was associated with demographic risk factors such as increasing age (aOR = 1.19, 95% CI 1.18-1.20), living in an urban area (aOR = 1.31, 95% CI 1.12-1.55) and lifestyle factors including being a smoker (aOR = 1.32, 95% CI 1.09-1.61), having a higher body mass index (aOR = 1.04, 95% CI 1.02-1.06) and higher levels of sun exposure time (aOR = 1.03, 95% CI 1.00-1.06) were significantly associated with higher skin aging grades. Having dry (aOR = 1.94, 95% CI 1.45-2.59) and combination skin (aOR = 1.62, 95% CI 1.22-2.16) types were also independent risk factors associated with skin aging. Having very low skin surface moisture at the T-zone (aOR = 2.10, 95% CI 1.42-3.11) was significantly related to skin aging. Older age, urban living and toxic working conditions were independent demographic risk factors related to skin aging. Smoking, higher BMI, greater levels of sun exposure were significant lifestyle risk factors. Having a skin type other than normal was a physiologic risk factor for skin aging.
    Scopus© Citations 11