Chlamydia in Pregnancy

Chlamydia in pregnancy poses risks to the mother and the baby. Because a baby can be exposed to the bacteria during delivery, he or she may develop eye infections or pneumonia. Cases of ectopic pregnancy are also linked to chlamydia in pregnancy. This is a potentially fatal condition for the mother that generally results in miscarriage.

Chlamydia in Pregnancy: What's the Risk?

Each year, up to 1 million women in the United States develop PID (pelvic inflammatory disease), a serious infection of the reproductive organs. As many as half of all cases of PID may be due to chlamydial infection, and many of these women don't have symptoms. PID can cause scarring of the fallopian tubes, which can block the tubes and prevent fertilization from taking place. Researchers estimate that 100,000 women each year become infertile because of PID.
 

Chlamydia in Pregnancy: Ectopic Pregnancy

In other cases, scarring may interfere with the passage of the fertilized egg to the uterus during pregnancy. When this happens, the egg may attach itself to the fallopian tube. This is called an ectopic pregnancy or tubal pregnancy. This very serious condition results in a miscarriage and can cause the death of the mother.
 

Chlamydia in Pregnancy: Newborn Complications

A baby who is exposed to C. trachomatis in the birth canal during delivery may develop an eye infection or pneumonia. Symptoms of conjunctivitis, which include discharge and swollen eyelids, usually develop within the first 10 days of life.
 
Symptoms of pneumonia, including a cough that gets steadily worse and congestion, most often develop within 3 to 6 weeks after birth. Healthcare providers can treat both conditions successfully with antibiotics.
 
Because of these risks to the newborn, many providers recommend that all pregnant women get tested for chlamydia as part of their prenatal care.
 
Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD
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