The most common causes of irregular, heavy and blood clot periods include:

• Thyroid and other Hormonal disorders
• Polycystic Ovarian Syndrome (PCOS)
• Excessive Exercising
• Sudden Weight Changes
• Physical or Emotional stress
• Illnesses
• Pregnancy
• Sexually Transmitted Infections (STIs)
• Benign Ovarian Cysts
• Perimenopause