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.
Female reproductive system
The female reproductive system involves organs such as the uterus (womb), ovaries, fallopian tubes and vagina, as well as hormones.
The length of your cycle may change by the month, but if your period is suddenly very different, you should see your doctor.
Puberty for girls
Learn about the complex physical and emotional changes a girl experiences in adolescence as she becomes a young woman.
Radio-frequency endometrial ablation
A radio-frequency endometrial ablation is an operation that uses radio-frequency energy to remove the lining of your uterus (womb). Usually this is done to reduce or stop periods.
Thermal balloon endometrial ablation
Thermal balloon endometrial ablation is an operation that uses a balloon filled with hot water to remove the lining of your uterus (womb) to reduce or stop periods.
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.