Signs of irregular periods: what they can mean

A changing cycle can happen when ovulation is inconsistent, during the transition towards menopause, or with conditions such as polycystic ovary syndrome. Anovulation means an egg is not released in a cycle and can lead to unpredictable bleeding. Premature ovarian insufficiency can also affect periods earlier than expected. These patterns do not identify one cause by themselves.

Record the first day of bleeding, how long it lasts, how heavy it feels, spotting between periods, pain, medicines and pregnancy possibility. Arrange a clinical review if the pattern persists, changes suddenly, or concerns you. A clinician may discuss pregnancy testing, medicines, hormone symptoms and possible tests. Treatment depends on the cause and whether you are trying to conceive; options can include the Combined Pill or Metformin for PCOS when appropriate.

Seek urgent medical help for very heavy bleeding with dizziness, fainting, breathlessness or weakness, severe pelvic pain, or bleeding during pregnancy. Contact a clinician promptly for bleeding after sex, repeated bleeding between periods, or no period with pregnancy possibility. An irregular pattern itself is not a measure of how serious the underlying cause is.

Ask what cycle changes are most relevant, whether your symptoms suggest inconsistent ovulation, which tests may clarify the cause, and how any treatment could affect contraception or pregnancy plans.