STI

[ɛs-ti-aɪ]
nounpl: STIs
IST (Infecção Sexualmente Transmissível)
1. Sexually Transmitted Infection; a medical condition acquired through sexual contact
He went to the clinic to get tested for STIs after unprotected sexual contact.
Ele foi à clínica para fazer teste de IST após contato sexual desprotegido.
2. Any infection passed from one person to another through sexual activity
Common STIs include chlamydia, gonorrhea, and herpes.
ISTs comuns incluem clamídia, gonorreia e herpes.
In Brazil and Portugal, the term 'IST' (Infecção Sexualmente Transmissível) is the official medical terminology preferred by health authorities over older terms. The English acronym STI has largely replaced STD in modern medical practice globally to emphasize that these are infections rather than diseases. Testing and prevention are important public health topics in both countries.
Synonyms / Sinônimos
VD (Venereal Disease)STD (Sexually Transmitted Disease)sexual infection

Regional Variations

General Brazilian
IST
Standard medical term used in public health contexts
Portugal
IST
Same terminology as Brazil; official health term
United States
STI or STD
STI is the modern medical preference over STD

Related Words

sexual healthprophylaxiscontraceptionsafe sex

Related Idioms & Phrases

get tested for STIs
STI prevention
STI screening
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