Congenital malformations, deformities, and chromosomal abnormalities (Q00-Q99).
- Laurence-Moon-Biedl-Bardet syndrome (LMBBS) – rare genetic disorder with autosomal recessive inheritance; differentiated by clinical symptoms into:
- Laurence-Moon syndrome (without polydactyly, i.e., without the appearance of supernumerary fingers or toes, and obesity, but with paraplegia (paraplegia) and muscle hypotonia/reduced muscle tone) and
- Bardet-Biedl syndrome (with polydactyly, obesity and peculiarities of the kidneys).
Endocrine, nutritional and metabolic diseases (E00-E90).
- Hyperandrogenemia (elevation of male sex hormones in the blood).
- Hyperprolactinemia (increase in prolactin levels in the blood).
- Hypothyroidism (hypothyroidism) or latent (subclinical/mild) hypothyroidism.
- Ovarian hypoplasia – underdevelopment of the ovaries due to various diseases such as Turner syndrome (gonadal dysgenesis).
- Polycystic ovary syndrome (PCO syndrome) – cyst formation in the ovary, which leads to impaired hormonal function.
- Sheehan syndrome – postpartum (after childbirth) anterior pituitary insufficiency (HVL insufficiency; insufficient hormone production by the anterior lobe of the pituitary gland (pituitary gland)).
- Premature ovarian failure – ovarian function depletion with progressive follicular atresia (failure to produce follicles).
Neoplasms – tumor diseases (C00-D48).
- Pituitary tumors (tumors of the pituitary gland).
- Hypothalamus tumors (tumors of the diencephalon).
- Ovarian tumors (ovarian tumors).
Psyche – nervous system (F00-F99; G00-G99)
- Anorexia nervosa (anorexia nervosa)
- Psychogenic reaction such as after severe personal or other disasters.
Medication
- Appetite suppressants – such as fenfluramine.
- Hormonal contraceptives (contraception using preparations containing estrogen and/or progestin); post-pill amenorrhea – absence of menstruation after stopping the use of contraceptives (contraceptives)
- See also under “Hyperprolactinemia due to medications.”
- Zust. n. chemotherapy
Drugs
- Amphetamines (indirect sympathomimetic).
- Heroin
- LSD (lysergic acid diethylamide)
Other causes
- Competitive sports
- Gravidity (pregnancy)
- Lactation period (breastfeeding phase)
- Zust. n. Radiatio (radiotherapy)