Women are being warned over an STI side-effect that could lead to complications with fertility.
If left untreated, it can result into dangerous conditions such as ectopic pregnancy, where the embryo begins to develop outside the womb.
Dr Earim Chaudry, former GP and current Medical Director of a health publication, has warned that women "must know" about the symptoms of the condition that causes this, Pelvic Inflammatory Disease (PID).