The Association Between Parity and Maternal Age with the Incidence of Placenta Previa at Welas Asih Regional General Hospital, Bandung, in 2023–2024
Keywords:
maternal age, parity, placenta previaAbstract
Abstract. Placenta previa is a leading cause of third-trimester bleeding and increases maternal and fetal morbidity. Maternal age and parity are considered risk factors, although previous studies have shown inconsistent results. This study aimed to analyze the association between maternal age, parity, and placenta previa at RSUD Welas Asih Bandung. A retrospective case–control study was conducted using medical records from 2023–2024. The case group consisted of 172 women with placenta previa selected by total sampling, while 172 women without placenta previa were included as controls using simple random sampling. Data were analyzed using univariate analysis, chi-square tests, and binary logistic regression. The findings showed a significant association between parity and placenta previa (p=0.000; OR=5.752), with higher incidence among women with parity ≥3 (80.3%) compared to parity <3 (41.4%). Maternal age was also significantly associated (p=0.000; OR=4.920), with a higher prevalence in women aged <20 or >35 years (78.6%) than in those aged 20–35 years (42.7%). Multivariate analysis identified parity as the strongest associated factor (Exp(B)=3.584), followed by maternal age (Exp(B)=2.260). In conclusion, high parity and high-risk maternal age increase the likelihood of placenta previa.
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