The most common cause of PID is:
A. M. tuberculosis
B. Streptococcus
C. Staihylocoous
D. Gonorrhoea
Correct Answer: D. Gonorrhoea
Explanation
The most common cause of Pelvic Inflammatory Disease (PID) is sexually transmitted infection, especially:
✅ Chlamydia trachomatis (most common)
- Often causes silent/asymptomatic infection
- Leads to ascending infection of the upper genital tract
Other important cause:
- Neisseria gonorrhoeae
📌 Summary:
PID is most commonly caused by Chlamydia trachomatis, followed by Gonorrhoea.
Other Options Details
Here is a brief description of each option:
A. Mycobacterium tuberculosis
- A bacterium that causes tuberculosis (TB).
- In females, it can infect the genital tract (genital tuberculosis), commonly affecting the fallopian tubes and endometrium.
- Leads to chronic pelvic inflammatory disease, infertility, menstrual irregularities, and pelvic pain.
- Spread mainly through the bloodstream from pulmonary TB.
B. Streptococcus
- A group of gram-positive cocci bacteria.
- Can cause postpartum or post-abortal infections, pelvic infections, and septicemia.
- Often associated with acute pelvic inflammatory disease and puerperal sepsis.
C. Staphylococcus
- Also gram-positive cocci, commonly found on the skin and mucous membranes.
- Can cause local infections, abscesses, wound infections, and pelvic infections after gynecological procedures or childbirth.
- Staphylococcus aureus is the most common pathogenic species.
D. Gonorrhoea (Neisseria gonorrhoeae)
- A sexually transmitted infection (STI).
- One of the most common causes of pelvic inflammatory disease (PID).
- Infects the cervix, uterus, fallopian tubes, leading to pelvic pain, infertility, and ectopic pregnancy if untreated.
- Spread through unprotected sexual contact.
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Writer: Vandita Singh, Lucknow (GS India Nursing Group