PCOS and Irregular Periods: What a GP Can Check First
Irregular periods can be frustrating, especially when they come with acne, excess hair growth, weight changes or fertility worries. Polycystic ovary syndrome, or PCOS, is one possible cause, but it is not the only one. A GP can help work out what needs checking and what can be done now.
Why this matters
PCOS is not just about ovaries. It can affect cycles, skin, hair, fertility, insulin resistance, cholesterol, emotional wellbeing and long-term metabolic health. At the same time, not every person with irregular periods has PCOS, and not every ultrasound showing polycystic ovaries means PCOS. The diagnosis needs the full picture.
A few helpful terms
· PCOS: Polycystic ovary syndrome, a hormonal condition that can affect cycles, skin, hair and metabolic health.
· Ovulation: Release of an egg from the ovary; irregular ovulation can cause irregular periods.
· Insulin resistance: When the body needs more insulin to control blood sugar, sometimes associated with PCOS.
Common reasons to book a GP appointment
· Your periods are very irregular, absent or unpredictable.
· You have acne, excess facial or body hair, scalp hair thinning or weight changes.
· You are trying to conceive or worried about ovulation.
· You have been told you have polycystic ovaries on ultrasound but are unsure what it means.
· You want help with long-term risks such as diabetes, cholesterol or sleep apnoea.
What we can talk through together
Your GP may ask about cycle pattern, acne, hair growth, weight changes, exercise, eating patterns, sleep, mood, fertility goals, medications and family history. They may check blood pressure and arrange blood tests for hormones, thyroid, prolactin, glucose or lipids depending on your situation. Ultrasound may be useful for some patients, but it is not always required and can be misleading if interpreted alone.
What to expect at the appointment
Management should match your priorities. If your main concern is irregular bleeding, treatment may focus on cycle protection and bleeding control. If acne or hair growth is most distressing, skin and hormonal options may be discussed. If fertility is the goal, ovulation and referral timing may matter. Lifestyle support can help metabolic health, but it should be practical and non-judgemental rather than blame-based.
How to prepare
Write down your last few period dates, acne or hair changes, weight changes, medications, supplements and whether pregnancy is a goal now or later. Bring any previous blood tests or ultrasound reports.
Care close to home in Maroubra and the Eastern Suburbs
Dr Amanda Henderson is a GP consulting at GP Maroubra, 14 Meagher Ave, South Maroubra NSW 2035. At GP Maroubra, she provides family-focused general practice care across pregnancy and pre-pregnancy health, shared antenatal care, women's health, contraception, paediatrics, skin checks, lifestyle medicine, travel medicine, men's health and preventive care. Patients commonly look for local care from Maroubra, South Maroubra, Coogee, Randwick, Malabar, Matraville, Pagewood and nearby parts of Sydney's Eastern Suburbs.
Choosing a GP is personal. It is reasonable to consider location, appointment availability, communication style, continuity and whether the services offered fit the reason you are booking. The aim is to help you feel prepared for a useful appointment and to know when a concern needs more urgent attention.
When to seek urgent help
Book promptly for very heavy bleeding, bleeding after sex, bleeding after menopause, pelvic pain, rapid onset of severe hair growth or virilising symptoms such as deepening voice, or a positive pregnancy test with pain or bleeding.
Common questions
Does PCOS mean I cannot get pregnant?
No. Many people with PCOS conceive, sometimes with lifestyle support, cycle tracking, medication or fertility help. A GP can guide first steps.
Is weight loss the only treatment?
No. Management can include cycle control, skin treatment, metabolic checks, fertility support and mental health care. Weight may be one part for some people, but it is not the whole plan.
Do I need an ultrasound for PCOS?
Not always. Diagnosis depends on age, symptoms, blood tests and criteria. Your GP can explain whether imaging is useful for you.
Why does PCOS need long-term follow-up?
Because it can be linked with diabetes risk, cholesterol changes, sleep issues and endometrial protection if periods are very infrequent.
Further reading from trusted Australian sources
Practical next step
If this sounds like the help you need, book a GP appointment with Dr Amanda Henderson at GP Maroubra. A longer appointment is usually best if the issue is complex, emotional, involves paperwork, or includes more than one concern. Appointments can be made online or by calling GP Maroubra on (02) 9311 9311 during practice opening hours.
General information only: This information is general and does not replace a consultation with a doctor who knows your history. Health advice can change, and your own risks may be different. In an emergency, call 000.