**Question:** Absolute contraindications for IUCD users includes all of the following except:

A. Age <18 years B. Pelvic inflammatory disease (PID) C. History of ectopic pregnancy D. Unwillingness to use barrier methods of contraception **Core Concept:** Absolute contraindications are conditions that render a patient unsuitable for any form of contraception, including intrauterine contraceptive devices (IUCDs). These contraindications should be thoroughly discussed with the patient before IUCD insertion to ensure informed consent and to avoid complications. **Why the Correct Answer is Right:** Option A (Age <18 years) is not an absolute contraindication for IUCD insertion. While it is generally recommended to wait until a patient is mature enough to understand and adhere to contraception, the exact age when this occurs can vary greatly depending on the individual. The decision should be based on the patient's readiness and understanding rather than a strict age threshold. Option B (Pelvic inflammatory disease (PID)) is an absolute contraindication for IUCD insertion due to the risk of ascending infection and pelvic abscess formation. PID is a severe pelvic infection that can lead to significant complications following IUCD insertion. Option C (History of ectopic pregnancy) is also an absolute contraindication, as the risk of rupture and catastrophic pelvic haemorrhage from an ectopic pregnancy is very high. The IUCD could potentially exacerbate this risk. Option D (Unwillingness to use barrier methods of contraception) is a relative contraindication, as it indicates that the patient may still be suitable for IUCD insertion but should be counselled on additional barrier methods to minimize risks and complications. **Why Each Wrong Option is Incorrect:** Option B (PID) and C (History of ectopic pregnancy) are absolute contraindications because they pose a significant risk to the patient's health. On the other hand, relative contraindications like Option D do not preclude a patient from receiving IUCD, but additional measures or precautions should be taken to mitigate risks. **Clinical Pearl:** When assessing a patient for IUCD insertion, consider the patient's medical history, socio-demographic factors, and personal preferences carefully. An individualized approach is crucial in determining the suitability of a patient for IUCD insertion. This includes discussing the need for additional barrier methods if a patient has a history of ectopic pregnancy or is unwilling to use barrier methods.