June 10, 2014: Many STDs May Go Undiagnosed, U.S. Report Finds
Nearly 2 million Americans have chlamydia infection, but about 400,000 don't know it, government estimates

April 28, 2014: More STD Screening on Horizon for Women?
Influential U.S. panel has also drafted guidelines on counseling to prevent chlamydia, gonorrhea

September 05, 2013: Chlamydia, Gonorrhea Tied to Higher Risk of Pregnancy Complications
However, Australian study doesn't prove these STDs cause birth problems

March 13, 2012: Not Enough Young Women Getting Tested for Chlamydia: CDC
Research also found retesting rates, although critical, are also too low

November 17, 2011: 19 Million New STD Infections Reported Annually, CDC Says
Treating chlamydia, gonorrhea and syphilis costs U.S. $17 billion a year

August 25, 2011: Faster Way to Treat Partners of Women With STDs Urged: Experts
Doctors can pass along antibiotics to these men via the infected woman, without an examination

January 26, 2011: More Screenings May Explain Higher Chlamydia Rates Among Minorities
Researcher urges doctors to screen all sexually active young women

January 06, 2011: Earlier Diagnosis Might Cut Cost of Teen Pelvic Disease
Advanced cases require $8,000 hospitalization on average, study finds

May 27, 2010: Chlamydia Treated Sooner When Docs Use E-Records
Study found number treated within two weeks of diagnosis more than doubled

April 15, 2010: Chlamydia Often Overlooked in Young Men
British study says poor management of related condition leaves many undiagnosed

March 30, 2010: Women Would Welcome At-Home Test for STDs
Readily available option could help lower infection rates, expert says

December 17, 2009: STDs Common Among Sexually Active Teen Girls in Cities
Researchers urge screening within year of first intercourse

November 16, 2009: Teen Girls at Higher Risk for STDs: Report
Improved access to treatment for chlamydia, gonorrhea, syphilis is 'imperative,' expert says

July 28, 2009: Urine Test for Chlamydia Shown Effective in Men
Experts say quick results make it better than existing methods

July 08, 2009: Changes Reduced Infections From Medical Abortion
Differences in drug use, delivery made a measurable impact in Planned Parenthood study

April 16, 2009: Less Than Half of Young Women Screened for Chlamydia
Sexually active females risk infertility, ectopic pregnancy from the infection, CDC warns

January 13, 2009: U.S. Chlamydia Infections Hit All-Time High
Million-plus cases reported; women and minorities disproportionately affected, CDC says