For many women, having irregular periods—medically referred to as oligomenorrhea—can be upsetting and worrisome. An imbalance in the delicate hormone ... For many women, having irregular periods—medically referred to as oligomenorrhea—can be upsetting and worrisome. An imbalance in the delicate hormone balance that controls the menstrual cycle can cause anomalies in the timing and flow of periods. Period irregularities can be caused by a number of circumstances. Stress is one frequent reason. Stress can cause the body to release more cortisol, a hormone that can disrupt the regular synthesis of progesterone and estrogen, the hormones that control the menstrual cycle. Periods that are skipped, abnormally light or heavy, or that occur at irregular intervals can all be consequences of this disruption.A typical factor that also occurs is weight changes. Significant changes in weight can have an effect on hormone levels, especially estrogen, which is important for the menstrual cycle. Underweight women may not produce enough body fat to produce hormones, which can lead to irregular periods or even cessation of menstruation. However, obesity might cause an overabundance of estrogen to be produced, which can contribute to heavy or protracted periods.Period irregularities are often caused by hormonal abnormalities, including thyroid diseases and polycystic ovarian syndrome (PCOS). Small cysts that form on the ovaries as a result of PCOS can lead to hormonal imbalances that can interfere with the menstrual cycle. Similar to this, irregular periods can result from thyroid diseases like hyperthyroidism or hypothyroidism, which interfere with hormone production. Additionally, irregular periods can be caused by lifestyle choices like overindulging in activity or certain food habits. Hormone levels can be upset by intense physical activity, especially if it results in low body fat or severe weight loss. Furthermore, irregular menstruation and hormone production might be impacted by inadequate eating or severe dieting.Period irregularities are frequent and usually not a reason for alarm, but persistent irregularities need to be handled with a healthcare professional. They can offer suitable therapy alternatives and assist in determining the underlying reason. Diagnosis and therapy can also be aided by monitoring menstrual cycles and recording any changes or patterns. Regular menstrual cycles can also be encouraged by adopting a balanced lifestyle, managing stress, and maintaining a healthy weight.