Chlamydia is a sexually transmitted disease that can affect men and women. According to the Centers for Disease Control and Prevention, or CDC, an estimated 2.8 million people contract chlamydia each year, but because symptoms do not always manifest, an estimated one-third of cases in women goes undiagnosed and untreated. Chlamydia can result in fertility problems in nonpregnant women, and in pregnant women it can cause a host of serious complications if untreated.
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eHow Article: About Having Chlamydia During Pregnancy