16Diseases of the genitourinary system
Diseases of the female genital system
Abnormal uterine or vaginal bleeding
GA20Menstrual cycle bleeding disorders
GA20.0Amenorrhoea
GA20.02
category
Lactational amenorrhoea
Definition A condition of the genital system affecting females, caused by hormonal disturbances associated with lactation. This condition is characterised by the termination of an established menstruation cycle for more than 3-9 months.
Also indexed as
Lactational amenorrhoea
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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