BTSC 3 August 2025
Obstetrics & Gynaecology
Easy

The main anatomical target for female sterilisation procedures is:

Appeared in: BTSC 3 August 2025

Explanation

  • Female sterilization is a permanent method of contraception that works by preventing fertilization.
  • The primary anatomical target for this procedure is the fallopian tubes, which are the pathways for the egg to travel from the ovary to the uterus.
  • The procedure, known as tubal ligation or tubectomy, involves surgically cutting, tying, or blocking the fallopian tubes.
  • This creates a physical barrier that stops sperm from reaching the egg and prevents the egg from reaching the uterus, thus making pregnancy impossible.

Why Other Options Were Wrong

  • Option A: Removal of the ovaries (oophorectomy) is not performed for sterilization. It is a major surgery that induces surgical menopause by halting the production of female hormones (estrogen and progesterone).
  • Option B: Removal of the uterus (hysterectomy) is a major surgical procedure with significant risks and a longer recovery time. It is not performed solely for the purpose of sterilization.
  • Option C: Blocking the cervix is not a method of permanent surgical sterilization. It describes temporary barrier methods of contraception.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomical target and methods of female sterilization as background academic context rather than a clinical decision trigger.
  • Nurses play a vital role in counseling patients about contraception. It is crucial to explain that tubal ligation is considered a permanent procedure and to discuss all alternative long-acting reversible contraceptives (LARCs) like IUDs and implants.
  • Patient education must clearly differentiate tubal ligation from more invasive surgeries like hysterectomy or oophorectomy, explaining the different indications, risks, and hormonal consequences.
  • What if? A patient who had a tubal ligation years ago now desires pregnancy. The nurse should inform her that options include surgical reversal (tubal reanastomosis) or in-vitro fertilization (IVF). Both options are complex and expensive, and success is not guaranteed. Reversal surgery also carries an increased risk of ectopic pregnancy.
How to Approach the Question
  • This is a factual recall question testing your knowledge of reproductive health and surgical procedures.
  • First, identify the key terms in the question: 'female sterilisation' and 'main anatomical target'.
  • Recall the common medical term for female sterilization, which is 'tubal ligation' or 'tubectomy'.
  • The name of the procedure itself points to the target organ: the 'tubes', which refers to the fallopian tubes.
  • Evaluate the options. 'Ligation of the fallopian tubes' directly matches your knowledge.
  • Eliminate the other options by recognizing that removing the ovaries (oophorectomy) or uterus (hysterectomy) are much more extensive surgeries performed for different medical reasons, and blocking the cervix is a temporary contraceptive method, not a permanent sterilization procedure.
Concept Tested & Keywords
  • Concept Tested: Anatomical target and methods of female sterilization
  • Stem keywords: female sterilisation, anatomical target
  • Lead-in keywords: main
  • Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.

Question ID

QCEnHNUk9eg0eyK9KfkpcE

Reference Book

E6 Gynecology Williams p. 120-150

E6 Obstetrics Williams p. 90-95

Practise the full BTSC 3 August 2025

Attempt every question from this paper in a timed mock, then review the full solution for each one.