A 25 - years old married infeile woman having regular menstruation, fever, lower abdominal pain and dysmenorrhoea present herself at the OPD. On examination, there are bilateral soft tender masses of 3cm diameter in both fornices and uterus is of normal size. The most likely diagnosis is :
Tubo - ovarian masses
Cystic ovaries
Tubo - ovarian masses
Ectopic pregnancy
Tuberculous salpingitis