Other than pregnancy, there are many causes of missing a period. Conditions that affect the hormonal balance of the body results in delay or absence of periods. This imbalance can occur due to stress, high or low body weight, PCOS, using birth control pills, and thyroid problems.
Abdominal Cramps Without a Period - Causes, Diagnosis, and Treatment
A lot of women experience abdominal cramps without periods due to many reasons. This article explains briefly about cramps without periods.