Letter T

Transmission, perinatal

11 views

Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the period immediately before and after birth.

The perinatal period is defined in diverse ways.

Depending on the definition, it starts at the 20th to 28th week of gestation and ends 1 to 4 weeks after birth.

The perinatally transmitted pathogen might, for example, be HIV (the human immunodeficiency virus).

Transmission might occur across the placenta or in the breast milk.

Also called vertical transmission

Share this definition

Medical disclaimer

The information on this page is for educational and informational purposes only and does not constitute medical advice in any way.

  • It does not replace the advice of a physician, pharmacist or other healthcare professional.
  • It does not represent a prescription of drugs, diagnostic exams or therapies.
  • In case of symptoms, doubts or concerns about your health, always consult a qualified physician.

In case of emergency call 911 (US) or 112 (EU).