gbs positive 36 weeks Flashcards
task
Your next patient is a 26-year-old woman who is now at 37 weeks of gestation in her first
pregnancy. You have been looking after her pregnancy in a shared care arrangement in a
general practice setting. All has been normal, and at 36 weeks you ordered a vaginal and rectal
swab for Group B streptococcal (GBS) testing. This test has shown GBS organisms were
detected in the lower vagina. She has returned to receive the results and any implications if the
test is positive.
YOUR TASKS ARE TO:
* Advise the patient of the results of the GBS test.
* Advise her about the subsequent management you would advis
explanation
-bacteria that colonise pregnant women 10-15
-no harm to mother
-but once colonised 40 percent chance they will colonise baby during labour>then one percent chance infection>very severe consequences.
-by the time baby diagnosed maybe quite late>with high mortality
mx
-antibiotics cann ot eradicate organisms with certanity, so no point giving at this time
-it should be given during labour where rupture of membranes occurred.
-gives time for antibiotic to enter baby via placenta>very unlikely baby get infected in these circumstances
-some places give only high risk pt>maternal fever prom>but 0.5 percent risk
-penicillin is the choice> if allergic give erythromycin