ACTINOMYCES; This group of anaerobic gram positive bacteria is frequently found in women  fitted with an intrauterine contraceptive device . Morphologically it appears as a fluffy ball of bacteria 20-100Uin diameter with slender branching threads streaming from it. Normally inflammatory reaction is minimal and the organism causes no symptoms. It can rarely cause acute  cervicitis,ascending infection and infertility. Note the  inflammatory response in this smear. It is usual to remove the IUD if the patient complains of dysmenorrhoea or discharge.