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You need not have to undergo full penetrative intercourse to contract Chlamydia. It can be transmitted by the infected body fluid contact with mucosal surface.
If you suspect to have been infected, then discuss with your gynecologist about getting a vaginal smear done to identify organism and treat it. Get your partner also treated simultaneously (if you are found to be infected) and avoid having unprotected intercourse while being on treatment to avoid chances of re-infection.
Take care.