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Services & Facilities

AO / BB (Alles Ohne / Bareback)

Sex without a condom — high risk of STIs (HIV, hepatitis, syphilis); rejected by reputable providers in Switzerland.

Auch bekannt als: AO, BB, Bareback, Alles Ohne, Kondomlos

AO ("Alles Ohne") or BB (Bareback) refers to sex without a condom. In Switzerland, AO is openly advertised by some sex workers (often on escort sites), but is strongly discouraged by reputable professionals and all counseling centers:

  • HIV: without a condom, depending on the practice, 0.04–1.4% risk of transmission per act
  • Gonorrhea / Chlamydia / Syphilis: 30–90% risk in each case with a single contact with an infected person
  • Hepatitis B/C: significantly higher risk with acts involving blood

Stealthing (secretly removing a condom) has been a criminal offense since 2024 — see Stealthing. Anyone offering anal sex should undergo comprehensive screening at least monthly, take PrEP, and ensure they have U=U status (undetectable HIV).

See also

  • Stealthing — Secretly removing or damaging a condom during sexual intercourse — a criminal offense since 2024.
  • STI — Sexually Transmitted Infection — sexually transmitted infection.
  • HIV — Human Immunodeficiency Virus — now manageable with treatment and effectively preventable with PrEP/PEP.
  • PrEP (Prä-Expositions-Prophylaxe) — Preventive pill against HIV infection — covered by health insurance under certain conditions since 2024.

These definitions are intended to provide general guidance within the Swiss adult entertainment industry. For legal or medical questions, please contact a specialized agency (see Resources) or a specialist.

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