Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Menstruation happens about once a month. Learn more about the menstrual cycle, what causes your period and health problems related to periods.
Suffering from heavy, painful or irregular periods? Does PMS affect your wellbeing? Learn about common period problems and how to cope.
Hormonal medicines and periods
Some forms of hormonal contraception (for example the oral contraceptive pill, IUD coil, and injection) may affect your menstrual cycle.
Managing period pain
Period pain (dysmenorrhoea) is common but can stop some women from enjoying their normal activities. Here are some ways to manage painful periods.
The length of your cycle may change by the month, but if your period is suddenly very different, you should see your doctor.
Female reproductive system
The female reproductive system involves organs such as the uterus (womb), ovaries, fallopian tubes and vagina, as well as hormones.
Puberty for girls
Learn about the complex physical and emotional changes that occurs to a girl when she becomes a young woman.
Breastfeeding and periods
Many factors determine when your period will return when you're breastfeeding. Learn more about how breastfeeding affects your menstrual cycle.
Women don't need to 'put up' with heavy periods
Heavy menstrual bleeding affects 1 in 4 Australian women, but treatment is available. There's no need to suffer in silence.
Bleeding between periods
Vaginal bleeding between periods is not unusual, but should be checked by your doctor if it happens more than once or twice.