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This study aims to identify and evaluate risk factors associated with breast cancer among women attending clinics in Mosul.

May 2, 2026Open Access

Risk Factors of Breast Cancer Among Women Attending Breast Clinics in Mosul / a Case Control Study

Key Points

This study aims to identify and evaluate risk factors associated with breast cancer among women attending clinics in Mosul.
Case-control study conducted from May 2025 to February 2026 at two hospitals in Mosul.
Included 200 women: 100 with breast cancer and 100 controls.
Data collected via structured questionnaire and analyzed using SPSS version 26.
Advanced age (≥65 years) associated with increased risk (OR=5.26, p=0.005).
Early menarche (<12 years) significantly increases risk (OR=6.38, p=0.0001).
Obesity (BMI 30–39.9) associated with a higher risk of breast cancer (OR=2.93, p=0.0001).

Abstract

Background: Breast cancer is the most frequently diagnosed malignancy and a leading cause of cancer-related mortality among women worldwide. Its burden is increasing, particularly in low- and middle-income countries, including Iraq. The disease is multifactorial, with contributions from hormonal, reproductive, genetic, and lifestyle-related factors. However, locally generated data on risk factors in Mosul remain limited. Objectives: To identify and evaluate the risk factors associated with breast cancer among women attending breast clinics in Mosul. Methods: A hospital-based case–control study was conducted from May 1, 2025, to February 1, 2026, at Al-Jamhory and Al-Khansaa Teaching Hospitals in Mosul. The study included 200 women (100 cases with breast cancer and 100 controls). Data were collected using a structured questionnaire covering demographic, reproductive, menstrual, lifestyle, and hormonal factors. Statistical analysis was performed using SPSS version 26. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated, and a p-value ≤0.05 was considered statistically significant. Results: Advanced age (≥65 years) was significantly associated with increased breast cancer risk (OR=5.26, p=0.005). Early menarche (30 years) (OR=5.30, p=0.0001) were significant hormonal risk factors. Delayed age at first full-term pregnancy (≥30 years) markedly increased risk (OR=9.52, p=0.0001), while early pregnancy (3 years) increased risk (OR=4.16, p=0.013). No significant association was found with marital status, residence, parity, abortion history, family history, or hormonal therapy. Conclusions: Breast cancer risk among women in Mosul is strongly influenced by hormonal and reproductive factors, as well as modifiable lifestyle factors such as obesity and passive smoking. Preventive strategies focusing on lifestyle modification, reproductive health awareness, and early detection are essential to reduce the burden of the disease.

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