Tubal and Peritoneal Factors — MCQs
What type of uterine anomaly is shown in this X-ray HSG image?
Endosalpingitis is best diagnosed by?
Order the following structures of the fallopian tube from lateral to medial:
A 35-year-old female presented with complaints of infertility. She has previous history of PID. Preliminary investigations like USG showed normal organs and hormone levels were also normal. What is the next best investigation?
Which of the following statements about the anatomy of the Fallopian tubes is true?
What is the most common cause of pelvic inflammatory disease?
Consider the following statements regarding infertility: 1. Endometrial biopsy provides information regarding ovulatory factor 2. Both tubal and peritoneal factors can be assessed at laparoscopy 3. Unexplained infertility may be due to luteal phase defect Which of the statements given above is/are correct?
A 28-year old woman comes with infertility. Husband's semen analysis is normal. Endometrial biopsy shows secretory changes with no evidence of tuberculosis. On hysterosalpingography both tubes show tubal blockage. What should be the next step in management?
What are the primary indications for in vitro fertilization (IVF)?
In a couple, which of the following investigations are included in the initial work-up for infertility?
Tubal and Peritoneal Factors Indian Medical PG Practice Questions and MCQs
Question 1: What type of uterine anomaly is shown in this X-ray HSG image?
- A. Septate uterus
- B. Uterus didelphys
- C. Unicornuate uterus (Correct Answer)
- D. Bicornuate uterus
Explanation: ***Unicornuate uterus*** - The image shows a single, elongated uterine horn with a single fallopian tube arising from it, consistent with a **unicornuate uterus**. - This congenital anomaly results from the **failure of one Müllerian duct to develop**, leading to an abnormally shaped uterus. *Septate uterus* - A **septate uterus** would show a normal uterine fundus with an internal septum dividing the uterine cavity. - This image clearly depicts only **one rudimentary horn** and no visible septum. *Uterus didelphys* - **Uterus didelphys** involves two completely separate uteri, each with its own cervix and vagina. - The image does not show evidence of a **second, separate uterine structure**. *Bicornuate uterus* - A **bicornuate uterus** is characterized by two distinct uterine horns, which fuse at the cervix or lower uterine segment, creating a heart-shaped appearance of the fundus. - The image shows a **single, long horn** rather than two distinct horns.
Question 2: Endosalpingitis is best diagnosed by?
- A. laparoscopy (Correct Answer)
- B. X-Ray abdomen
- C. Hysterosalpingography
- D. Hystero-laparoscopy
Explanation: ***Laparoscopy*** - **Laparoscopy** is the **gold standard** for diagnosing endosalpingitis as it allows direct visualization of the fallopian tubes, pelvic organs, and peritoneal cavity. - It enables identification of **inflammation, adhesions, tubal edema, and purulent exudate** characteristic of endosalpingitis. - It also permits **tissue sampling** for histopathological confirmation and culture of infectious agents. - Laparoscopy has high sensitivity and specificity for diagnosing pelvic inflammatory disease (PID) and its complications. *X-Ray abdomen* - An **X-ray abdomen** provides limited information regarding soft tissue structures like the fallopian tubes. - It is primarily used for visualizing bones or detecting gross abnormalities like bowel obstruction or free air. - It **cannot directly diagnose endosalpingitis** or provide detailed images of adnexal structures. *Hysterosalpingography* - **Hysterosalpingography (HSG)** is an imaging technique used to assess the patency and contour of the fallopian tubes and uterine cavity by injecting contrast dye. - While it can detect **tubal occlusion or hydrosalpinx**, it cannot visualize external tubal inflammation, adhesions, or the peritoneal surface. - HSG is more useful for evaluating **tubal patency in infertility workup** rather than diagnosing acute inflammation. *Hystero-laparoscopy* - This term refers to **combined hysteroscopy and laparoscopy** performed together. - While the laparoscopic component can diagnose endosalpingitis, **hysteroscopy** (visualization of the uterine cavity) adds no additional value for diagnosing tubal inflammation. - For endosalpingitis specifically, **laparoscopy alone** is sufficient and is the most direct diagnostic approach.
Question 3: Order the following structures of the fallopian tube from lateral to medial:
- A. Isthmus-Infundibulum-Ampulla-Interstitial
- B. Infundibulum-Ampulla-Isthmus-Interstitial (Correct Answer)
- C. Ampulla-Isthmus-Infundibulum-Interstitial
- D. Ampulla-Infundibulum-Isthmus-Interstitial
Explanation: ***Infundibulum-Ampulla-Isthmus-Interstitial*** - This order correctly represents the anatomical progression of the fallopian tube from the **distal, fimbriated end** (infundibulum) closest to the ovary, moving **medially** towards the uterus [2]. - The **infundibulum** captures the oocyte, the **ampulla** is often where fertilization occurs, the **isthmus** is narrow, and the **interstitial** (or intramural) segment passes through the uterine wall [1]. *Isthmus-Infundibulum-Ampulla-Interstitial* - This order is incorrect as it places the **isthmus** as the most lateral structure, which is anatomically wrong. - The **infundibulum** and **ampulla** are more lateral than the isthmus [2]. *Ampulla-Isthmus-Infundibulum-Interstitial* - This sequence is incorrect because the **ampulla** is not the most lateral part; the **infundibulum** with its fimbriae is. - It also incorrectly places the **isthmus** before the infundibulum. *Ampulla-Infundibulum-Isthmus-Interstitial* - This order is incorrect because the **infundibulum** is always lateral to the **ampulla** [1]. - The infundibulum is the funnel-shaped end that opens into the peritoneal cavity and contains the fimbriae.
Question 4: A 35-year-old female presented with complaints of infertility. She has previous history of PID. Preliminary investigations like USG showed normal organs and hormone levels were also normal. What is the next best investigation?
- A. Urine culture and sensitivity
- B. Repeat USG
- C. Hysterosalpingography (Correct Answer)
- D. Endometrial biopsy
Explanation: ***Hysterosalpingography*** - Given the history of **pelvic inflammatory disease (PID)**, there is a significant risk of **tubal blockage** or damage, which is a common cause of **infertility**. - **Hysterosalpingography (HSG)** is the gold standard investigation to assess the patency and morphology of the **fallopian tubes** and uterine cavity. *Urine culture and sensitivity* - This test is used to detect **urinary tract infections**. While important in general health, it is rarely the primary cause of infertility in the absence of urinary symptoms. - The patient's history of **PID** points towards gynecological causes rather than urinary ones as the likely source of infertility. *Repeat USG* - The initial **ultrasound (USG)** has already shown normal organs, indicating no obvious uterine or ovarian structural abnormalities. - Repeating the same investigation without new symptoms or findings is unlikely to provide additional diagnostic information regarding infertility, especially not **tubal patency**. *Endometrial biopsy* - An **endometrial biopsy** is typically performed to assess the health of the **uterine lining** for conditions like chronic endometritis or abnormal uterine bleeding. - While helpful in specific scenarios, it does not evaluate **fallopian tubal patency**, which is a crucial step in assessing infertility after **PID**.
Question 5: Which of the following statements about the anatomy of the Fallopian tubes is true?
- A. Length is 20 cm
- B. All of the options
- C. Medial to lateral structures are isthmus, interstitial part, ampulla & fimbriae
- D. Lateral to medial structures are fimbriae, ampulla, isthmus, interstitial part (Correct Answer)
Explanation: ***Lateral to medial structures are fimbriae, ampulla, isthmus, interstitial part*** - The Fallopian tube segments, from the **ovary** towards the **uterus**, logically follow this order to facilitate **egg transport**. - The **fimbriae** capture the egg, the **ampulla** is the site of fertilization, the **isthmus** is a narrow segment, and the **interstitial part** traverses the uterine wall [1]. *Length is 20 cm* - The typical length of the **Fallopian tube** is approximately **10-12 cm**, not 20 cm [1]. - A length of 20 cm would be significantly longer than the average human Fallopian tube. *Medial to lateral structures are isthmus, interstitial part, ampulla & fimbriae* - This order is incorrect as it describes the segments from the **uterus** towards the **ovary** but places the **isthmus** before the **interstitial part**. - The correct order from medial to lateral (uterus to ovary) would be **interstitial part**, **isthmus**, **ampulla**, and **infundibulum/fimbriae** [1]. *All of the options* - Since two of the other options contain factual inaccuracies regarding the length and the medial-to-lateral structural arrangement, this option cannot be correct. - Only one statement can be entirely true when specifically asked for the "true" statement among given choices.
Question 6: What is the most common cause of pelvic inflammatory disease?
- A. Chlamydia and gonorrhea infections (Correct Answer)
- B. Pelvic peritonitis
- C. Puerperal sepsis
- D. Intrauterine Contraceptive Device (IUCD)
Explanation: ***Correct: Chlamydia and gonorrhea infections*** - **Chlamydia trachomatis** and **Neisseria gonorrhoeae** are the most frequently identified bacterial causes of PID, accounting for the majority of cases. - These infections often begin as **asymptomatic cervical infections** that ascend to the upper genital tract (uterus, fallopian tubes, ovaries). - They cause inflammation and scarring of the fallopian tubes and surrounding pelvic structures, forming the pathological basis of PID. - Early detection and treatment are crucial to prevent long-term complications like infertility and chronic pelvic pain. *Incorrect: Pelvic peritonitis* - **Pelvic peritonitis** is an inflammation of the peritoneum within the pelvis, which is a **complication** of severe PID, not the primary cause. - It represents a more advanced stage of infection where inflammation has spread beyond the reproductive organs to the peritoneal cavity. - While it involves pelvic inflammation, its origin typically stems from untreated bacterial infections like Chlamydia or gonorrhea. *Incorrect: Puerperal sepsis* - **Puerperal sepsis** is an infection of the genital tract occurring specifically after **childbirth, miscarriage, or abortion**. - While it involves pelvic infection, it is a distinct clinical entity related to the **postpartum or post-abortion period**. - PID, in contrast, typically occurs in sexually active women of reproductive age, unrelated to pregnancy outcomes. *Incorrect: Intrauterine Contraceptive Device (IUCD)* - An **IUCD** is an **independent risk factor** for PID, particularly in the first 3 weeks after insertion. - The IUCD itself does not directly cause PID; rather, it may facilitate the entry and ascent of pre-existing cervical infections. - The increased risk is primarily during insertion when bacteria can be introduced into the uterine cavity. - Modern IUCDs have lower PID risk, and the benefit-risk ratio favors their use in appropriate candidates.
Question 7: Consider the following statements regarding infertility: 1. Endometrial biopsy provides information regarding ovulatory factor 2. Both tubal and peritoneal factors can be assessed at laparoscopy 3. Unexplained infertility may be due to luteal phase defect Which of the statements given above is/are correct?
- A. 1 and 3 only
- B. 1, 2 and 3 (Correct Answer)
- C. 2 and 3 only
- D. 1 and 2 only
Explanation: ***Correct: 1, 2 and 3*** - **Statement 1** - **Endometrial biopsy** was historically used to assess the histological changes in the endometrium that correlate with the hormonal environment (progesterone effect), indirectly confirming **ovulation** and luteal phase adequacy. *Note: Current guidelines (ASRM) no longer recommend routine endometrial biopsy for infertility evaluation, as serum progesterone and ultrasound monitoring are preferred.* - **Statement 2** - **Laparoscopy with chromopertubation** is the gold standard for direct visualization of the fallopian tubes (assessing patency, hydrosalpinx, adhesions) and peritoneal factors such as **endometriosis**, pelvic adhesions, or sequelae of pelvic inflammatory disease. This statement is definitively correct. - **Statement 3** - **Unexplained infertility** may be attributed to subtle factors including **luteal phase defect** (LPD). *Note: The concept of LPD is controversial in modern reproductive medicine, with current evidence not strongly supporting it as a distinct diagnosis. Unexplained infertility is more commonly attributed to subtle sperm dysfunction, oocyte quality issues, or immunological factors.* *Incorrect: 1 and 3 only* - This option incorrectly excludes statement 2, which is clearly correct. **Laparoscopy** is a fundamental diagnostic tool for evaluating both tubal patency and peritoneal factors in the infertility workup. *Incorrect: 2 and 3 only* - This option incorrectly excludes statement 1. While endometrial biopsy is not routinely recommended in current practice, it was a recognized method for assessing ovulatory function and luteal phase adequacy at the time of this examination (2019). *Incorrect: 1 and 2 only* - This option incorrectly excludes statement 3. In the context of this 2019 examination, luteal phase defect was considered a potential cause of unexplained infertility, even though this concept is now controversial in modern reproductive medicine.
Question 8: A 28-year old woman comes with infertility. Husband's semen analysis is normal. Endometrial biopsy shows secretory changes with no evidence of tuberculosis. On hysterosalpingography both tubes show tubal blockage. What should be the next step in management?
- A. IVF
- B. Diagnostic laparoscopy and chromo-pertubation (Correct Answer)
- C. Tuboplasty
- D. ICSI
Explanation: ***Diagnostic laparoscopy and chromo-pertubation*** - This procedure directly visualizes the fallopian tubes and surrounding pelvic structures, allowing for definitive confirmation of tubal blockage and identification of potential causes like **endometriosis** or **adhesions**. - **Chromo-pertubation** involves injecting a dye through the cervix to assess tubal patency and identify the exact location and nature of the blockage. *IVF* - While IVF is a viable option for tubal factor infertility, it is generally considered after a more thorough diagnostic workup, especially when the cause of blockage is unknown and potentially treatable. - Proceeding directly to IVF without assessing the possibility of surgical correction might be premature and miss an opportunity for natural conception or a less invasive intervention. *Tuboplasty* - **Tuboplasty** is a surgical procedure to repair or reconstruct damaged fallopian tubes. - However, its success depends on the extent of damage and the specific type of blockage, which can only be determined after a diagnostic evaluation like laparoscopy. *ICSI* - **ICSI (Intracytoplasmic Sperm Injection)** is a specialized form of IVF primarily used for severe male factor infertility, not tubal blockage, especially when the husband's semen analysis is normal. - While ICSI can be part of an IVF cycle, it's not the primary next step for diagnosing or treating tubal blockage in a woman with normal male factor.
Question 9: What are the primary indications for in vitro fertilization (IVF)?
- A. Uterine factor
- B. Tubal blocks (Correct Answer)
- C. None of the options
- D. Male factor (sperm count 12 million/ml)
Explanation: ***Tubal blocks*** - **Tubal blockages**, whether bilateral or severe unilateral, prevent the natural meeting of sperm and egg, making IVF an essential treatment to bypass this anatomical obstruction. - This is the **primary and classic indication** for IVF, as it allows fertilization to occur externally before embryo transfer to the uterus. - Tubal factor infertility was the original indication for which IVF was developed. *Uterine factor* - **Severe uterine factors**, such as significant structural abnormalities or severe intrauterine adhesions, are generally considered contraindications or make IVF less successful. - While IVF can bypass some reproductive challenges, it cannot overcome significant issues with the uterine environment needed for implantation and pregnancy maintenance. *None of the options* - This option is incorrect because **tubal blocks** are a well-recognized and primary indication for IVF. - IVF effectively addresses reproductive challenges linked to tubal patency issues. *Male factor (sperm count 12 million/ml)* - A sperm count of 12 million/mL represents **oligozoospermia** (normal >15 million/mL per WHO criteria). - While male factor infertility is an indication for assisted reproduction, **ICSI (Intracytoplasmic Sperm Injection)** rather than conventional IVF is typically the preferred treatment for significant male factor. - Treatment choice depends on comprehensive semen analysis including motility, morphology, and overall fertility assessment of both partners.
Question 10: In a couple, which of the following investigations are included in the initial work-up for infertility?
- A. Testicular biopsy, USG, Sperm penetration test
- B. Ovulation, tubal patency, Mantoux test
- C. Semen analysis, CXR, Mantoux
- D. Semen analysis, Tubal patency test, Ovulation test (Correct Answer)
Explanation: ***Semen analysis, Tubal patency test, Ovulation test*** - This option correctly identifies the **key initial investigations** for both male and female factors in infertility: **semen analysis** for male fertility, **tubal patency test** for assessing fallopian tube function, and **ovulation test** to confirm female ovulatory cycles. - These tests are fundamental in a comprehensive initial infertility work-up as they address the most common causes of infertility. *Testicular biopsy, USG, Sperm penetration test* - While **testicular biopsy** and **sperm penetration test** are relevant, they are typically **second-line investigations** performed if initial tests (like semen analysis) are abnormal. - **Ultrasound (USG)** is a general imaging modality and not a primary, specific infertility test for both partners as listed. *Ovulation, tubal patency, Mantoux test* - **Ovulation** and **tubal patency** are essential, but the **Mantoux test** (for tuberculosis) is generally not part of the *initial routine* infertility work-up unless there is clinical suspicion or prevalence in the region. - The Mantoux test is specific for a particular infection, and not a broad screening test for infertility. *Semen analysis, CXR, Mantoux* - **Semen analysis** is appropriate, but a **Chest X-ray (CXR)** and **Mantoux test** are not routine initial investigations for infertility. - These tests would only be indicated if there were specific clinical signs or a history suggestive of underlying pulmonary or infectious disease.
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