Reasons Of Irregular Periods, Symptoms 

One reason for this is increasing age (Age Factor)

There is a reason for increasing or decreasing weight (Weight)

Unbalanced diet routine

Periods may come intermittently during breastfeeding (Breast Feeding).

Unwanted Pregnancy Pills There's a Reason (Pregnancy Pills)

Tension or stress is the main reason.

Heavy exercise is also a major reason.

Polycystic Ovary Syndrome causes less blood during periods (Plasticity Ovary Syndrome)