• Age: Fibroadenomas of breast are commonly seen under the age group of 30. Most common in age of 15 to 25. But they can be found to affect women of any age.
• Race: It is more common in African and American women.
• Family History: Fibroadenomas like breast cancers may also run in families.
• Obesity: It is associated with higher incidences of Fibroadenoma Breast.
• Oral Contraceptive pills (OCP): Women who consume OCP at very early age are also at high risk
• Pregnancy: Fibroadenoma of breast grow in size during pregnancy while shrink after menopause