During preterm labor, antibiotics may be used to treat or prevent an infection.
Treatment with antibiotics
If an infection is causing your preterm labor, you will be treated with
antibiotics. The type used depends on which bacteria are causing the infection. The antibiotics most commonly used during pregnancy include erythromycin, clindamycin, ampicillin,
gentamicin, and metronidazole.
Antibiotics don't always clear up
uterine infection. And they don't always prevent
preterm labor. If a mother's uterus has become
infected and her fetus is mature enough, her doctor or nurse-midwife might not
try to delay the birth.
Lower the risk of infection in the vagina and
Lower the risk of fetal infection.
Prevention with antibiotics with intact membranes
Antibiotics are not a recommended treatment for women in
preterm labor with intact membranes. (This means the amniotic sac has not ruptured.) But some women do get antibiotics to prevent or treat
group B strep.
Haas DM (2011). Preterm birth, search date June 2010. BMJ Clinical Evidence. Available online: http://www.clinicalevidence.com.
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