Stress: High levels of stress can disrupt hormone levels, potentially leading to a delay in the menstrual cycle.

Rapid Weight Changes: Significant weight loss or gain can affect hormone production and delay menstruation.

Intense Exercise: Over-exercising or sudden increases in physical activity can disrupt hormone balance and delay periods.

Hormonal Imbalance: Conditions such as polycystic ovary syndrome (PCOS) can cause hormonal imbalances that lead to irregular periods or delays.

Medications: Certain medications, including contraceptives, antidepressants, and antipsychotics, may impact menstrual cycles and cause delays.

Thyroid Disorders: Thyroid imbalances, whether hypo- or hyperthyroidism, can disrupt menstrual cycles and cause delays in periods.

Travel: Sudden changes in time zones and disruptions to routine during travel can temporarily affect hormone levels and delay menstruation.

Menopause Transition: Women approaching menopause may experience irregular periods or delays due to hormonal fluctuations.

Underlying Health Conditions: Conditions such as diabetes, eating disorders, and reproductive system issues can contribute to menstrual irregularities and delays