Monday, 9 December 2013

OBG

  • mc overall cause of abortion = genetic factors
  • mc related to 2nd trimister = anatomical abnormilities
  • maximum risk of transmission in 1st trimester = rubella
  • maximum risk if infection occus before 20 weeks = varicella zoster
  • maximum risk if infection occurs after 18 to 20wks = syphilis
  • no relation to gestational age =CMV
  • maximum risk of  transmission during delivery = hiv & herpes
  • Least risk of transmission during delivery = toxoplasmosis
  • Rate of transmission increases as pregnancy advances = toxoplasmosis & hepatitis

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