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hyperventilation

A fast rate of breathing.

hypnosis

A sleep-like state induced by a hypnotist.

hypnotherapy

Any form of psychotherapy that uses hypnosis.

hypo

Prefix suggesting a deficiency, lack of, or small size.

hypocalcaemia

An abnormally low level of calcium in the blood. The most common cause is vitamin D deficiency.

hypoglycaemia

An abnormally low level of glucose in the blood.

hypogonadism

Overactivity of the testes that results in an over-production of hormones.

hypokalaemia

A deficiency of potassium in the blood.

hypomenorrhoea

Light or scanty menstrual periods.

hypoparathyroidism

A rare endocrine disorder in which the parathyroid glands in the neck do not produce sufficient levels of parathyroid hormone.

hypopituitarism

The inability of the pituitary gland to produce sufficient hormones.

hypoproteinaemia

A condition in which there is an abnormally low level of protein in the blood.

hypothalamus

A region of the brain.

hypothyroidism

Underproduction of the thyroid hormones by the thyroid gland.

hypotonia

Abnormal muscle slackness.

hypoxaemia

Reduced oxygen levels in the blood.

hypoxia

A lack of oxygen.

hysterectomy

The surgical removal of the uterus (womb).

hysteria

A general term encompassing a wide range of physical or mental symptoms attributed to mental stress.

hysterosalpingogram

A test to discover whether the fallopian tubes are open and whether the shape of the uterine cavity is normal.

hysteroscope

A tube equipped with a light source and either a small camera or an optical system, used to examine the inside of the uterus (womb).

hysteroscopy

Examination of the inside of the uterus by endoscopy, using an instrument called a hysteroscope inserted through the vagina and cervix.

iatrogenic

A symptom, illness, injury or side-effect due to medical treatment

IBD

An abbreviation for inflammatory bowel disease, a group of inflammatory conditions of the intestine. The two major forms are Crohn’s disease and ulcerative colitis.