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  • Q&A with Australian Health Practitioners

    Does Polycystic Ovarian Syndrome (PCOS) cause irregular periods?

  • Find a professional to answer your question

  • Kate Marsh

    Credentialled Diabetes Educator (CDE), Diabetes Educator, Dietitian

    Kate works with clients with type 1 and gestational diabetes, PCOS, and those following a plant-based (vegetarian or vegan) diet. As a diabetes educator, she … View Profile

    Yes irregular periods are one of the common symptoms of PCOS but there can also be other causes. In women with PCOS irregular periods are commonly seen along with other symptoms inclulding acne and excess hair (due to high levels of male hormones) and polycystic ovaries seen on an ultrasound.  And some women with PCOS will have these other symptoms but not have irregular periods. If you are experiencing irregular periods it is a good idea to see your doctor for investigations to determine the cause.

  • Jean Hailes for Women’s Health is a leader in women’s health, supported by funding from the Australian Government. We provide trusted and easy-to-understand information to … View Profile

    Women with PCOS have elevated levels of androgens (“male” hormones) and insulin, which can disrupt the monthly cycle of ovulation and menstruation: Periods may be irregular, or may stop altogether:, menstrual cycles can vary considerably in the first few years after a young woman's periods start. The recently released evidence-based guideline recommends PCOS be considered as a possible diagnosis if cycles have been irregular for two years after periods start, or after one year if the woman is considering starting the oral contraceptive pill (“the pill”).In either case an assessment should be made by a qualified professional, e.g. measuring androgen levels, to decide whether irregular periods are due to PCOS or some other cause.

  • Women's Health Queensland Wide provides free health information for Queensland women. View Profile

    PCOS is a common disorder thought to affect around 10% of Australian women of reproductive age. It disrupts ovulation and the menstrual cycle, has distressing symptoms and places women at increased risk of complications including heart disease, diabetes, high blood pressure and endometrial cancer.
    please click on the link to webcasts on this subject or on our Youtube channel.
    Women’s Health Educator
    Health Information Line, Women’s Health Queensland Wide

    Women living in Queensland can also call our Health Information Line - a free information and referral service for Queensland women - on 3839 9988 or 1800 017 676 (toll free outside Brisbane).

    Please note that all health information provided by Women’s Health Queensland Wide is subject to this disclaimer

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