What do irregular periods feel like with hypothalamic amenorrhoea?

The hypothalamus helps coordinate signals between the brain and reproductive system. Low energy availability, intense exercise, emotional stress, illness or significant weight change can disturb those signals. Ovulation may become infrequent, so bleeding can be delayed, shorter, lighter, or missing for several cycles.

You may also notice reduced vaginal lubrication, lower sexual desire or symptoms linked with low oestrogen. These features are not specific, and pregnancy and other hormone conditions must be considered.

Arrange an appointment if your periods become persistently irregular or stop. Share changes in eating, exercise, sleep, stress, weight, long-term illness and medicines. A clinician may check for pregnancy and other causes with an examination and blood tests, then discuss restoring adequate nutrition, reducing excessive training and supporting mental health where relevant.

Avoid using hormonal bleeding to mask the pattern without addressing the cause. Ask how bone health, fertility and hormone levels should be monitored while cycles are recovering.

Seek urgent care for fainting, severe weakness, chest pain, severe abdominal pain or bleeding during pregnancy. Request prompt review if periods have stopped, if eating feels unsafe or difficult, or if exercise is accompanied by dizziness or collapse.

Could energy intake, exercise, stress or another illness be affecting my cycle? Which tests will rule out pregnancy and other hormone causes? How should we protect bone health and plan for pregnancy if that is a goal?