Hormones

Links to our information partners' articles about hormones.

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Follicle stimulating hormone

Follicle stimulating hormone (FSH) is produced by the pituitary gland in the brain. It is an important hormone for normal functioning of the reproductive system in men and women.

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Human growth hormone

Human growth hormone is a small protein that travels in the bloodstream to stimulate growth. Learn more about the medical uses of human growth hormone.

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Hormonal system

The hormonal system influences your metabolism, growth and many other functions. Learn more about what it is and conditions related to the hormonal system.

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Growth disorders

Links to our information partners' articles about growth disorders.

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Pituitary hormones

Links to trusted information about pituitary hormones.

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Endocrine glands and their hormones

The hormone system is the way in which one part of the body tells another part of the body to do something important. Find out more about different parts of the hormonal system.

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Hormone replacement therapy (HRT)

Hormone replacement therapy (HRT) is the name for a number of hormone therapies that can be used to treat the symptoms of menopause.

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Hormonal medicines and periods

Some forms of hormonal contraception (for example the oral contraceptive pill, IUD coil, and injection) may affect your menstrual cycle.

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Pituitary gland

The pituitary gland makes different hormones, some that have direct effects on the body and others that control other endocrine glands.

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Gigantism

Gigantism is a very rare condition that causes children to grow abnormally fast and tall. It can be treated successfully, but they may still have symptoms.

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Acromegaly

Acromegaly causes parts of the body to grow larger and mostly affects people in middle age. It can be effectively treated, especially if diagnosed early.

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Hypothyroidism

Hypothyroidism occurs when the thyroid gland does not make enough thyroid hormone. Learn about the symptoms, how it's diagnosed and treatment options.

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Oxytocin

Oxytocin is a hormone that makes you feel love and trust. Understand the role of oxytocin and find out if you can adjust the levels of this hormone in your body.

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Iodine

Iodine is essential for making proteins and for the growth of your bones and nerves. Here's how to get enough iodine in your diet.

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Congenital adrenal hyperplasia

Congenital adrenal hyperplasia affects the hormones. People with the condition will have health problems, but might still enjoy a normal lifestyle.

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hCG levels

Human chorionic gonadotropin (hCG) is a hormone that can be detected in your urine and blood when you're pregnant.

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Adrenal glands

The adrenal glands are two endocrine glands sitting on top of each kidney. They form part of the body's hormonal system. They produce several hormones that are involved in controlling your blood pressure, metabolism and your body's response to stress.

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Female reproductive system

The female reproductive system involves organs such as the uterus (womb), ovaries, fallopian tubes and vagina, as well as hormones.

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Hashimoto's disease

Hashimoto's disease can cause your body to produce too little thyroid hormone. Find out more about its causes, symptoms and treatment.

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Oestrogen

Oestrogen, a female sex hormone with many roles, controls puberty, strengthens bones and more. But too much or too little can cause medical problems.

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Intrauterine contraceptive device (IUD)

An intrauterine device (IUD) is a highly effective and reliable method of contraception. The two types available are the copper IUD and the hormonal IUD.

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Polycystic ovarian syndrome (PCOS)

Polycystic ovary syndrome (PCOS) is a common hormonal condition that affects up to 1 in 10 girls and women in their reproductive years.

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Turner syndrome

This genetic disorder involves sensory, developmental and hormonal symptoms, but most girls and women with Turner syndrome enjoy a normal life.

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Contraceptive injection

The contraceptive injection, containing a synthetic version of the hormone progestogen, lasts up to 3 months. It is given into your buttock or upper arm.

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Graves' disease

This condition causes the thyroid gland in the neck to produce too much thyroid hormone, and can eventually lead to goitre and bulging eyes.

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Contraceptive vaginal ring

The vaginal ring is an effective hormonal contraceptive method that works in the same way as the pill. It can also help control your periods.

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Morning sickness

Morning sickness or nausea (with or without vomiting) is a common symptom of early pregnancy and is caused by changes in hormones.

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Mini pill (progestogen-only pill)

The 'mini pill' is a type of contraceptive. It contains only one hormone and you can use it while breastfeeding.

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Chemotherapy

Chemotherapy describes medicine that aims to stop or slow down the growth of cancer cells. Find out how 'chemo' treatment works and its side effects.

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