What underlying pathology leads to an increased incidence of ectopic pregnancy?

• A. Uterine malformations
• B. Pelvic inflammatory disease
• C. Genetic predispositions
• D. Hormonal imbalances

Answer: (B)

Pelvic inflammatory disease (PID) is the underlying pathology most commonly associated with an increased incidence of ectopic pregnancy. PID is typically caused by sexually transmitted infections (STIs), such as chlamydia and gonorrhea, which can lead to scarring and damage to the fallopian tubes. This scarring can disrupt the normal passage of an egg from the ovary through the fallopian tube to the uterus. If the egg is fertilized while still in the fallopian tube, it can result in an ectopic pregnancy, where the developing embryo implants outside of the uterus.

The presence of PID creates a chronic inflammatory environment and can lead to structural abnormalities in the reproductive tract. This makes it difficult for the fertilized egg to move to the uterus, thereby increasing the likelihood of it implanting in the fallopian tube or another location outside of the uterine cavity.

Overall, PID's impact on the anatomy and functionality of the female reproductive system directly correlates with the increased risk of ectopic pregnancies, making it a key factor in understanding the pathology behind this condition.