Two of Alabama’s largest cities are on a list of places reporting the highest rates of sexually transmitted diseases in the country.Innerbody, an online medical and wellness testing guide, used data from the Centers for Disease Control and Prevention’s Sexually Transmitted Disease Surveillance Report to determine STD rates across the country. STDs factored in the study were HIV, gonorrhea, chlamydia and syphilis.Overall, STD rates were higher in the south, with the area claiming nearly half of the top 25 cities on the list. At seven, California led all states with the most cities in the top 100. Ohio and Texas tied for second most cities, each with six.Two Alabama cities on the list were Montgomery, which was ranked fifth, and Birmingham, which came in at number 20.Here’s the list of top 20 cities for highest rates of STD, ranked by number of STD cases per 100,000 residents.1. Baltimore – 2004/100,000 residents2. Jackson, Mississippi – 1,872/100,000 residents3. Philadelphia – 1,822/100,000 residents4. San Francisco – 1,754/100,000 residents5. Montgomery – 1,731/100,000 residents6. Augusta, Georgia – 1,675/100,000 residents7. Milwaukee, Wisconsin – 1,657/100,000 residents8. Killeen, Texas – 1,644/100,000 residents9. Shreveport, Louisiana – 1,615/100,000 residents10. Indianapolis, Indiana – 1,613/100,000 residents11. New York (Bronx) – 1,609/100,000 residents12. Fayetteville, North Carolina – 1,559/100,000 residents13. New York (Manhattan) – 1,542/100,000 residents14. Tallahassee, Florida – 1,502/100,000 residents15. Columbus, Georgia – 1,440/100,000 residents16. Peoria, Illinois – 1,421/100,000 residents17. Washington, D.C. – 1,393/100,000 residents18. Columbia, South Carolina – 1,390/100,000 residents19. Denver, Colorado – 1,379/100,000 residents20. Birmingham – 1,372/100,000 residentsOther Alabama cities in the top 100 were: Mobile at 49th (1,065/100,000 residents); and Huntsville at 79th (871/100,000 residents).According to the CDC, more than 2.4 million combined STD cases were reported in the U.S. in 2018 alone.You can see the complete list here.