Chlamydia: also a bacterium grows in the genital tracts, cervix, throat and urethra. It is similar to gon0rrhea in terms of symptoms. Symptoms include discharge from the penis and vagina, painful and frequent urination, irregular and menstrual flow, painful sexual intercourse, pain in the testis. Others are pelvic infections, ovaries, oviducts (fallopian tubes) inflammation, infertility, miscarriages and can affect the foetus among the infected pregnant women.