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Pelvic Inflammatory Disease (PID)

What is pelvic inflammatory disease (PID)?

PID is a condition where there is inflammation of a woman’s uterus, fallopian tubes and ovaries, usually caused by an infection that spreads upwards from the vagina and cervix. It is more common in young, sexually active women, or in women who have endometriosis.

In some cases, PID can be caused by sexually transmitted infections (STIs) like chlamydia or gonorrhoea; in other cases, it can be caused after procedures such as intrauterine contraceptive device (IUD) insertion, termination of pregnancy, hysterosalpingogram (HSG). 

What are the symptoms of PID?
  • Fever
  • Smelly vaginal discharge
  • Lower abdominal pain
  • Pain during sexual intercourse (dyspareunia)
  • Unusual bleeding in between periods or bleeding after sex

Do see your gynaecologist as these symptoms can also be caused by other conditions. 

What tests do I need?

Your gynaecologist will take a detailed medical history and perform a pelvic examination. Swabs will be taken from the vagina and cervix to test for infections. It is still possible to have PID even if the swabs return negative as they may not be able to pick up the infections all the time. Blood tests may help to determine the level of inflammation in your body, especially if you have a fever. A urine pregnancy test may be done if you have any chance of being pregnant. An ultrasound scan will also be performed to check for any formation of abscess (pus collection) in the pelvis. 

If your swab test comes back positive, you and/or your partner will be advised for additional tests. 

I have been diagnosed with PID. What treatment do I need?

Most women can be successfully treated with 2 weeks of oral antibiotics, although severe cases may need hospitalisation for intravenous antibiotics. You will need painkillers and rest, and must continue follow-up with your doctor to ensure that your PID has resolved. 

Contact your gynaecologist earlier if you experience:

  • Increasing abdominal pain
  • Worsening/persistent fever
  • Feeling very unwell 
What happens if I don’t treat my PID?

Prompt and complete treatment is important as there can be serious health consequences if PID goes untreated, as it can cause pelvic organ scarring and result in you being at risk of:

  • Ectopic pregnancy (pregnancy outside of the womb)
  • Pelvic abscesses
  • Chronic lower abdominal pain 
  • Recurrent PID 
  • Infertility 
Do I need an operation?

Some women with severe PID and large pelvic abscesses who do not improve with intravenous antibiotics may require an operation for pus drainage. This may be done via a keyhole (laparoscopy) surgery or by the X-ray department – your doctor will discuss the appropriate options with you.  

What about my partner?

PID can be caused by STIs and your partner may have no symptoms even if they carry the infection. It is important for all partners to be tested and treated appropriately, to avoid reinfection and long-term health problems. 

Avoid sexual contact for a week after you and your partner have completed treatment. Use a condom to protect against STIs and to prevent PID reinfection. 

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Dr. Ng Kai Lyn



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