###Human: My period has become quite irregular in the last six months. Should I be worried? ###Assistant: Hi. Irregular periods can occur due to many causes like anemia, hormonal imbalance like PCOD, thyroid disorders, etc. As you are having irregular periods for the past 6 to 7 months, better to consult your gynecologist once and get examined and go for investigations like hemoglobin levels, thyroid profile, ultrasound, etc. If she advises, you may need to undergo FSH and LH levels also. With this full workup, the possible cause of your problem can be identified and treatment can be taken accordingly. Take care.