Chlamydia Transmission: Sexual Contact Required, Not Frequency of Sex

Chlamydia trachomatis is a sexually transmitted bacterium. Infection requires sexual contact with an infected partner—not "too much sex" itself.

Transmission Routes

  • Vaginal, anal, oral sex.
  • Vertical (mother to neonate during delivery) → conjunctivitis, pneumonia.
  • Autoinoculation (genital to eye) possible.

Risk Factors

  • New/multiple partners.
  • Inconsistent condom use.
  • Prior STI.
  • Age <25 (higher prevalence).

Key Message

Number of acts is irrelevant; exposure to an infected partner transmits the bacterium. Asymptomatic carriage is common (70% women, 50% men). Screening detects silent infections.

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