Pelvic Pain Syndromes — MCQs

Q: What is the duration of pain that defines chronic pelvic pain?

Greater than 6 months. **Explanation:** Chronic Pelvic Pain (CPP) is defined as non-cyclical pain lasting for **6 months or longer**, localized to the anatomic pelvis, anterior abdominal wall at or below the umbilicus, the lumbosacral back, or the buttocks. It must be of sufficient severity to cause functional disability or lead to medical intervention. * **Why C is correct:** The **6-month threshold** is the standard diagnostic criterion established by the American College of Obstetricians and Gynecologists (ACOG) and the Royal College of Obstetricians and Gynaecologists (RCOG). This duration distinguishes chronic pain from acute or subacute conditions, indicating a transition from a simple symptom to a complex syndrome involving central sensitization. * **Why A & B are incorrect:** Pain lasting 1 to 3 months is generally classified as **acute or subacute**. While some pain specialists are moving toward a 3-month definition for general chronic pain, the 6-month mark remains the definitive gold standard for pelvic pain in major OB-GYN guidelines and NEET-PG examinations. * **Why D is incorrect:** While many patients suffer for years before diagnosis, waiting 12 months is not required for the clinical definition and would unnecessarily delay management. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause:** Endometriosis is the leading cause of CPP (found in up to 70-80% of diagnostic laparoscopies for CPP). * **Non-gynecological causes:** Always rule out Interstitial Cystitis (Painful Bladder Syndrome) and Irritable Bowel Syndrome (IBS), as these frequently coexist with CPP. * **Carnett’s Sign:** If positive (pain increases when abdominal muscles are tensed), it suggests the pain originates from the **abdominal wall** rather than visceral organs.

Q: What is the most common etiology for pain in the lower abdomen in young females?

Pelvic Inflammatory Disease (PID). **Explanation:** **Pelvic Inflammatory Disease (PID)** is the most common cause of chronic and acute pelvic pain in young, sexually active females. It is an ascending infection of the upper female genital tract (uterus, fallopian tubes, and ovaries), most frequently caused by *Chlamydia trachomatis* and *Neisseria gonorrhoeae*. The high prevalence is attributed to the frequency of sexually transmitted infections in this demographic. **Analysis of Options:** * **Mittelschmerz (Option A):** This refers to mid-cycle ovulatory pain. While common and physiological, it is transient (lasting minutes to hours) and does not represent a pathological "disease" state as frequently as PID in clinical presentations. * **Appendicitis (Option C):** This is the most common *surgical* emergency causing abdominal pain. However, in the specific demographic of young females, gynecological causes (specifically PID) statistically outweigh appendiceal causes for general lower abdominal pain. * **Ovarian Cyst Torsion (Option D):** This is a gynecological emergency characterized by acute, severe, unilateral pain. While critical to diagnose, it is statistically much rarer than the inflammatory processes of PID. **High-Yield NEET-PG Pearls:** * **Minimum Clinical Criteria for PID:** Cervical motion tenderness (Chandelier sign), uterine tenderness, or adnexal tenderness. * **Fitz-Hugh-Curtis Syndrome:** A complication of PID involving perihepatitis, characterized by "violin-string" adhesions between the liver capsule and parietal peritoneum. * **Gold Standard Diagnosis:** Laparoscopy (shows tubal erythema and edema), though diagnosis is usually made clinically. * **Treatment:** CDC guidelines recommend ceftriaxone (IM) plus doxycycline (oral) plus metronidazole (oral).

Q: Which of the following statements is FALSE regarding pelvic congestion syndrome?

Symptoms are often worse after menstruation.. **Explanation:** **Pelvic Congestion Syndrome (PCS)** is a clinical condition characterized by chronic pelvic pain (lasting >6 months) resulting from retrograde flow and stasis in dilated, incompetent pelvic and ovarian veins (varices). **Why Option D is the Correct (False) Statement:** The symptoms of PCS are typically **worse during or just before menstruation** (premenstrual exacerbation), not after. This is because the high levels of estrogen during the luteal phase act as a potent vasodilator, further engorging the already dilated pelvic veins. Pain is also characteristically worse at the end of the day or after prolonged standing due to gravity-induced venous pooling. **Analysis of Other Options:** * **Option A:** PCS is a well-documented cause of **chronic pelvic pain**, often diagnosed by exclusion in multiparous women of reproductive age. * **Option B:** The pathophysiology involves **lumbo-ovarian vein varices**. The left ovarian vein is most commonly affected as it drains into the left renal vein at a right angle (similar to a male varicocele), making it prone to reflux. * **Option C:** **Post-coital ache** and deep dyspareunia are hallmark symptoms. If dyspareunia is severe, it often indicates significant venous distension and can be a marker of poor response to conservative management, necessitating procedural intervention. **NEET-PG High-Yield Pearls:** * **Gold Standard Diagnosis:** Selective Ovarian Venography (shows dilated veins >5-10mm and slow clearance of contrast). * **First-line Imaging:** Transvaginal Ultrasound with Doppler. * **Definitive Treatment:** Ovarian vein embolization (highly effective) or Hysterectomy with bilateral salpingo-oophorectomy. * **Medical Management:** Progestogens (Medroxyprogesterone acetate) or GnRH agonists to suppress the hormonal cycle and induce vasoconstriction.

Q: Which of the following is indicated by the term 'mittelschmerz'?

Peritoneal irritation from corpus hemorrhagicum. **Explanation:** **Mittelschmerz** (German for "middle pain") refers to mid-cycle ovulatory pain. It occurs during the process of ovulation when the dominant follicle ruptures to release the oocyte. This rupture leads to the leakage of follicular fluid and a small amount of blood (forming the **corpus hemorrhagicum**). This fluid/blood collects in the Pouch of Douglas, causing localized **peritoneal irritation**, which manifests as sharp, unilateral lower abdominal pain. **Analysis of Options:** * **Option B (Correct):** The underlying pathophysiology is the chemical irritation of the peritoneum by blood or follicular fluid released during the formation of the corpus hemorrhagicum. * **Option A (Incorrect):** The **Fern pattern** is a physiological change in cervical mucus under the influence of high estrogen levels just before ovulation; it is not a painful symptom. * **Option C (Incorrect):** A rise in basal body temperature (BBT) by 0.5–1.0°F is a **thermogenic effect of progesterone** occurring post-ovulation. While it indicates ovulation has occurred, it is not Mittelschmerz. * **Option D (Incorrect):** The **LH surge** is the hormonal trigger for ovulation (occurring 24–36 hours before the egg is released), but it does not cause physical pain. **High-Yield Clinical Pearls for NEET-PG:** * **Timing:** Occurs on Day 14 of a 28-day cycle. * **Diagnosis:** It is a diagnosis of exclusion. It is typically mild and self-limiting (lasting minutes to hours). * **Side:** The pain shifts sides from month to month depending on which ovary is ovulating. * **Management:** Reassurance and mild analgesics (NSAIDs). Suppression of ovulation (e.g., OCPs) is definitive if pain is severe.

Q: A patient has dyspareunia, and dysmenorrhea with adnexal tenderness. What is the first step of investigation?

Transvaginal USG. ***Transvaginal USG*** - This is the **first-line investigation** for evaluating pelvic pain, dyspareunia, dysmenorrhea, and adnexal tenderness due to its ability to provide **high-resolution images** of the uterus, ovaries, and surrounding structures to identify potential pathology like **endometriomas** or other adnexal masses. - It allows for detailed assessment of **ovarian cysts**, fibroids, and other pelvic abnormalities, which can explain the patient's symptoms. *Colposcopy* - This procedure is primarily used to closely examine the **cervix, vagina, and vulva** for abnormal cells, often following an abnormal Pap test. - It is not the initial step for investigating generalized pelvic pain, dyspareunia, or adnexal tenderness. *Diagnostic laparoscopy* - While a **diagnostic laparoscopy** can provide a definitive diagnosis for conditions like **endometriosis**, it is an **invasive surgical procedure** and typically reserved for cases where non-invasive imaging, such as transvaginal ultrasound, has not yielded a clear diagnosis or when conservative management has failed. - It is not considered the first-step investigation due to its **invasive nature** and associated risks. *Transabdominal pelvic ultrasound* - A **transabdominal pelvic ultrasound** provides a broader view of the pelvic organs but often has **lower resolution** and is less accurate for detailed assessment of the uterus, ovaries, and adnexa compared to transvaginal ultrasound, especially in obese patients. - It is often used if a transvaginal ultrasound is not feasible or for assessing larger pelvic masses, but the **transvaginal approach** is superior for detailed evaluation of the female reproductive organs.

Q: Violin string adhesion is seen in ?

Fitz-Hugh-Curtis syndrome. ***Fitz-Hugh-Curtis syndrome*** - **Fitz-Hugh-Curtis syndrome** is a perihepatitis characterized by inflammation of the liver capsule and adjacent peritoneal surfaces. - The classic "violin string" adhesions are **fibrinous adhesions** that form between the liver capsule and the anterior abdominal wall or diaphragm. *Ruptured ectopic pregnancy* - A ruptured ectopic pregnancy typically presents with acute abdominal pain and **hypovolemic shock** due to hemoperitoneum. - While it can cause pelvic adhesions, "violin string" adhesions are not a characteristic finding; the primary concern is **intra-abdominal hemorrhage**. *Endometriosis* - **Endometriosis** involves the presence of endometrial-like tissue outside the uterus, causing pain, inflammation, and adhesions, especially in the pelvis. - While it does lead to adhesions, these are usually **dense and diffuse pelvic adhesions**, not the specific "violin string" pattern associated with the liver capsule. *PCOS* - **Polycystic ovary syndrome (PCOS)** is an endocrine disorder characterized by hormonal imbalances, anovulation, and polycystic ovaries. - It primarily affects **ovarian function** and metabolism and does not directly cause adhesions in the abdominal cavity.

Q: Which of the following is the most common cause of acute pelvic pain?

Pelvic inflammatory disease (PID). ***Pelvic inflammatory disease (PID)*** - **PID** is the **most common** cause of acute pelvic pain among the listed options, particularly in sexually active women of reproductive age. - It involves infection and inflammation of the upper genital tract, including the uterus, fallopian tubes, and ovaries. - Often associated with sexually transmitted infections (Chlamydia trachomatis and Neisseria gonorrhoeae). - Presents with lower abdominal pain, fever, abnormal vaginal discharge, and cervical motion tenderness. *Ectopic pregnancy* - While a critical and potentially life-threatening cause of acute pelvic pain, it is **less common** than PID. - Incidence is approximately 1-2% of all pregnancies. - Occurs when a fertilized egg implants outside the uterus (usually in the fallopian tube). - Presents with unilateral pain, vaginal bleeding, and signs of rupture in advanced cases. *Corpus luteum hematoma* - Can cause acute pelvic pain but is **less frequent** compared to PID. - Results from bleeding into a corpus luteum cyst after ovulation. - Typically presents with unilateral pain and may resolve spontaneously. *All of the options* - **Incorrect** because the question asks for the **most common** cause. - While all listed conditions can cause acute pelvic pain, PID has the highest prevalence among these specific etiologies in clinical practice.

Pelvic Pain Syndromes Indian Medical PG Practice Questions and MCQs

Question 1: What is the duration of pain that defines chronic pelvic pain?

A. Greater than 1 month
B. Greater than 3 months
C. Greater than 6 months (Correct Answer)
D. Greater than 12 months

Explanation: **Explanation:** Chronic Pelvic Pain (CPP) is defined as non-cyclical pain lasting for **6 months or longer**, localized to the anatomic pelvis, anterior abdominal wall at or below the umbilicus, the lumbosacral back, or the buttocks. It must be of sufficient severity to cause functional disability or lead to medical intervention. * **Why C is correct:** The **6-month threshold** is the standard diagnostic criterion established by the American College of Obstetricians and Gynecologists (ACOG) and the Royal College of Obstetricians and Gynaecologists (RCOG). This duration distinguishes chronic pain from acute or subacute conditions, indicating a transition from a simple symptom to a complex syndrome involving central sensitization. * **Why A & B are incorrect:** Pain lasting 1 to 3 months is generally classified as **acute or subacute**. While some pain specialists are moving toward a 3-month definition for general chronic pain, the 6-month mark remains the definitive gold standard for pelvic pain in major OB-GYN guidelines and NEET-PG examinations. * **Why D is incorrect:** While many patients suffer for years before diagnosis, waiting 12 months is not required for the clinical definition and would unnecessarily delay management. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause:** Endometriosis is the leading cause of CPP (found in up to 70-80% of diagnostic laparoscopies for CPP). * **Non-gynecological causes:** Always rule out Interstitial Cystitis (Painful Bladder Syndrome) and Irritable Bowel Syndrome (IBS), as these frequently coexist with CPP. * **Carnett’s Sign:** If positive (pain increases when abdominal muscles are tensed), it suggests the pain originates from the **abdominal wall** rather than visceral organs.

Question 2: What is the most common etiology for pain in the lower abdomen in young females?

A. Mittelschmerz
B. Pelvic Inflammatory Disease (PID) (Correct Answer)
C. Appendicitis
D. Ovarian cyst torsion

Explanation: **Explanation:** **Pelvic Inflammatory Disease (PID)** is the most common cause of chronic and acute pelvic pain in young, sexually active females. It is an ascending infection of the upper female genital tract (uterus, fallopian tubes, and ovaries), most frequently caused by *Chlamydia trachomatis* and *Neisseria gonorrhoeae*. The high prevalence is attributed to the frequency of sexually transmitted infections in this demographic. **Analysis of Options:** * **Mittelschmerz (Option A):** This refers to mid-cycle ovulatory pain. While common and physiological, it is transient (lasting minutes to hours) and does not represent a pathological "disease" state as frequently as PID in clinical presentations. * **Appendicitis (Option C):** This is the most common *surgical* emergency causing abdominal pain. However, in the specific demographic of young females, gynecological causes (specifically PID) statistically outweigh appendiceal causes for general lower abdominal pain. * **Ovarian Cyst Torsion (Option D):** This is a gynecological emergency characterized by acute, severe, unilateral pain. While critical to diagnose, it is statistically much rarer than the inflammatory processes of PID. **High-Yield NEET-PG Pearls:** * **Minimum Clinical Criteria for PID:** Cervical motion tenderness (Chandelier sign), uterine tenderness, or adnexal tenderness. * **Fitz-Hugh-Curtis Syndrome:** A complication of PID involving perihepatitis, characterized by "violin-string" adhesions between the liver capsule and parietal peritoneum. * **Gold Standard Diagnosis:** Laparoscopy (shows tubal erythema and edema), though diagnosis is usually made clinically. * **Treatment:** CDC guidelines recommend ceftriaxone (IM) plus doxycycline (oral) plus metronidazole (oral).

Question 3: What is true about chronic pelvic pain?

A. Pain in the same location in the lower abdomen lasting 6 months or more (Correct Answer)
B. Causes are exclusively gynecological
C. Adhesiolysis should be done for all patients with adhesions causing chronic pelvic pain
D. Does not cause functional debility and patients do not require treatment

Explanation: ### Explanation **1. Why Option A is Correct:** Chronic Pelvic Pain (CPP) is clinically defined as non-cyclic pain perceived to be in the pelvic area, lasting for **6 months or longer**, that is severe enough to cause functional disability or lead to medical intervention. The duration (6 months) is the key diagnostic criterion used by ACOG and RCOG to differentiate it from acute pelvic pain. **2. Why the Other Options are Incorrect:** * **Option B:** CPP is **multifactorial**. While gynecological causes (Endometriosis, Adenomyosis, PID) are common, up to 60-80% of cases involve non-gynecological systems, including gastrointestinal (IBS), urological (Interstitial cystitis), musculoskeletal (pelvic floor myalgia), and psychological factors. * **Option C:** Adhesiolysis is **not** recommended for all patients. While dense adhesions may cause pain, clinical trials (including the landmark study by Peters et al.) have shown that surgical adhesiolysis for minor-to-moderate adhesions often does not provide superior pain relief compared to expectant management and carries surgical risks. * **Option D:** By definition, CPP causes significant **functional debility**, affecting quality of life, sexual function, and mental health. It requires a multidisciplinary treatment approach (medical, surgical, and psychological). **3. High-Yield Clinical Pearls for NEET-PG:** * **Most common gynecological cause:** Endometriosis. * **Carnett’s Sign:** Used to differentiate visceral pain from abdominal wall pain. If pain increases when the patient tenses their abdominal muscles, the source is likely the abdominal wall (Positive Carnett’s). * **Laparoscopy:** Considered the "Gold Standard" for diagnosing the underlying cause of CPP when non-invasive methods fail. * **Management:** Often involves a multidisciplinary approach including NSAIDs, hormonal suppression (OCPs/GnRH agonists), and neuropathic modulators (Gabapentin/Amitriptyline).

Question 4: Which of the following statements is FALSE regarding pelvic congestion syndrome?

A. It is a recognized cause of chronic pelvic pain in women.
B. It is associated with lumbo-ovarian vein varices.
C. Dyspareunia, when present, may be a poor prognostic indicator.
D. Symptoms are often worse after menstruation. (Correct Answer)

Explanation: **Explanation:** **Pelvic Congestion Syndrome (PCS)** is a clinical condition characterized by chronic pelvic pain (lasting >6 months) resulting from retrograde flow and stasis in dilated, incompetent pelvic and ovarian veins (varices). **Why Option D is the Correct (False) Statement:** The symptoms of PCS are typically **worse during or just before menstruation** (premenstrual exacerbation), not after. This is because the high levels of estrogen during the luteal phase act as a potent vasodilator, further engorging the already dilated pelvic veins. Pain is also characteristically worse at the end of the day or after prolonged standing due to gravity-induced venous pooling. **Analysis of Other Options:** * **Option A:** PCS is a well-documented cause of **chronic pelvic pain**, often diagnosed by exclusion in multiparous women of reproductive age. * **Option B:** The pathophysiology involves **lumbo-ovarian vein varices**. The left ovarian vein is most commonly affected as it drains into the left renal vein at a right angle (similar to a male varicocele), making it prone to reflux. * **Option C:** **Post-coital ache** and deep dyspareunia are hallmark symptoms. If dyspareunia is severe, it often indicates significant venous distension and can be a marker of poor response to conservative management, necessitating procedural intervention. **NEET-PG High-Yield Pearls:** * **Gold Standard Diagnosis:** Selective Ovarian Venography (shows dilated veins >5-10mm and slow clearance of contrast). * **First-line Imaging:** Transvaginal Ultrasound with Doppler. * **Definitive Treatment:** Ovarian vein embolization (highly effective) or Hysterectomy with bilateral salpingo-oophorectomy. * **Medical Management:** Progestogens (Medroxyprogesterone acetate) or GnRH agonists to suppress the hormonal cycle and induce vasoconstriction.

Question 5: Which of the following is indicated by the term 'mittelschmerz'?

A. Fern pattern of cervical mucus
B. Peritoneal irritation from corpus hemorrhagicum (Correct Answer)
C. Rise of body temperature due to the effect of progesterone
D. LH surge before ovulation

Explanation: **Explanation:** **Mittelschmerz** (German for "middle pain") refers to mid-cycle ovulatory pain. It occurs during the process of ovulation when the dominant follicle ruptures to release the oocyte. This rupture leads to the leakage of follicular fluid and a small amount of blood (forming the **corpus hemorrhagicum**). This fluid/blood collects in the Pouch of Douglas, causing localized **peritoneal irritation**, which manifests as sharp, unilateral lower abdominal pain. **Analysis of Options:** * **Option B (Correct):** The underlying pathophysiology is the chemical irritation of the peritoneum by blood or follicular fluid released during the formation of the corpus hemorrhagicum. * **Option A (Incorrect):** The **Fern pattern** is a physiological change in cervical mucus under the influence of high estrogen levels just before ovulation; it is not a painful symptom. * **Option C (Incorrect):** A rise in basal body temperature (BBT) by 0.5–1.0°F is a **thermogenic effect of progesterone** occurring post-ovulation. While it indicates ovulation has occurred, it is not Mittelschmerz. * **Option D (Incorrect):** The **LH surge** is the hormonal trigger for ovulation (occurring 24–36 hours before the egg is released), but it does not cause physical pain. **High-Yield Clinical Pearls for NEET-PG:** * **Timing:** Occurs on Day 14 of a 28-day cycle. * **Diagnosis:** It is a diagnosis of exclusion. It is typically mild and self-limiting (lasting minutes to hours). * **Side:** The pain shifts sides from month to month depending on which ovary is ovulating. * **Management:** Reassurance and mild analgesics (NSAIDs). Suppression of ovulation (e.g., OCPs) is definitive if pain is severe.

Question 6: A patient has dyspareunia, and dysmenorrhea with adnexal tenderness. What is the first step of investigation?

A. Colposcopy
B. Diagnostic laparoscopy
C. Transvaginal USG (Correct Answer)
D. Transabdominal pelvic ultrasound

Explanation: ***Transvaginal USG*** - This is the **first-line investigation** for evaluating pelvic pain, dyspareunia, dysmenorrhea, and adnexal tenderness due to its ability to provide **high-resolution images** of the uterus, ovaries, and surrounding structures to identify potential pathology like **endometriomas** or other adnexal masses. - It allows for detailed assessment of **ovarian cysts**, fibroids, and other pelvic abnormalities, which can explain the patient's symptoms. *Colposcopy* - This procedure is primarily used to closely examine the **cervix, vagina, and vulva** for abnormal cells, often following an abnormal Pap test. - It is not the initial step for investigating generalized pelvic pain, dyspareunia, or adnexal tenderness. *Diagnostic laparoscopy* - While a **diagnostic laparoscopy** can provide a definitive diagnosis for conditions like **endometriosis**, it is an **invasive surgical procedure** and typically reserved for cases where non-invasive imaging, such as transvaginal ultrasound, has not yielded a clear diagnosis or when conservative management has failed. - It is not considered the first-step investigation due to its **invasive nature** and associated risks. *Transabdominal pelvic ultrasound* - A **transabdominal pelvic ultrasound** provides a broader view of the pelvic organs but often has **lower resolution** and is less accurate for detailed assessment of the uterus, ovaries, and adnexa compared to transvaginal ultrasound, especially in obese patients. - It is often used if a transvaginal ultrasound is not feasible or for assessing larger pelvic masses, but the **transvaginal approach** is superior for detailed evaluation of the female reproductive organs.

Question 7: Violin string adhesion is seen in ?

A. Ruptured ectopic pregnancy
B. Endometriosis
C. PCOS
D. Fitz-Hugh-Curtis syndrome (Correct Answer)

Explanation: ***Fitz-Hugh-Curtis syndrome*** - **Fitz-Hugh-Curtis syndrome** is a perihepatitis characterized by inflammation of the liver capsule and adjacent peritoneal surfaces. - The classic "violin string" adhesions are **fibrinous adhesions** that form between the liver capsule and the anterior abdominal wall or diaphragm. *Ruptured ectopic pregnancy* - A ruptured ectopic pregnancy typically presents with acute abdominal pain and **hypovolemic shock** due to hemoperitoneum. - While it can cause pelvic adhesions, "violin string" adhesions are not a characteristic finding; the primary concern is **intra-abdominal hemorrhage**. *Endometriosis* - **Endometriosis** involves the presence of endometrial-like tissue outside the uterus, causing pain, inflammation, and adhesions, especially in the pelvis. - While it does lead to adhesions, these are usually **dense and diffuse pelvic adhesions**, not the specific "violin string" pattern associated with the liver capsule. *PCOS* - **Polycystic ovary syndrome (PCOS)** is an endocrine disorder characterized by hormonal imbalances, anovulation, and polycystic ovaries. - It primarily affects **ovarian function** and metabolism and does not directly cause adhesions in the abdominal cavity.

Question 8: Which of the following is the most common cause of acute pelvic pain?

A. Ectopic pregnancy
B. Corpus luteum hematoma
C. Pelvic inflammatory disease (PID) (Correct Answer)
D. All of the options

Explanation: ***Pelvic inflammatory disease (PID)*** - **PID** is the **most common** cause of acute pelvic pain among the listed options, particularly in sexually active women of reproductive age. - It involves infection and inflammation of the upper genital tract, including the uterus, fallopian tubes, and ovaries. - Often associated with sexually transmitted infections (Chlamydia trachomatis and Neisseria gonorrhoeae). - Presents with lower abdominal pain, fever, abnormal vaginal discharge, and cervical motion tenderness. *Ectopic pregnancy* - While a critical and potentially life-threatening cause of acute pelvic pain, it is **less common** than PID. - Incidence is approximately 1-2% of all pregnancies. - Occurs when a fertilized egg implants outside the uterus (usually in the fallopian tube). - Presents with unilateral pain, vaginal bleeding, and signs of rupture in advanced cases. *Corpus luteum hematoma* - Can cause acute pelvic pain but is **less frequent** compared to PID. - Results from bleeding into a corpus luteum cyst after ovulation. - Typically presents with unilateral pain and may resolve spontaneously. *All of the options* - **Incorrect** because the question asks for the **most common** cause. - While all listed conditions can cause acute pelvic pain, PID has the highest prevalence among these specific etiologies in clinical practice.

Practice by Chapter

Acute Pelvic Pain

Practice Questions

Chronic Pelvic Pain

Practice Questions

Dysmenorrhea

Practice Questions

Endometriosis-Associated Pain

Practice Questions

Adhesion-Related Pain

Practice Questions

Vulvodynia

Practice Questions

Interstitial Cystitis/Painful Bladder Syndrome

Practice Questions

Musculoskeletal Causes of Pelvic Pain

Practice Questions

Psychological Aspects of Chronic Pain

Practice Questions

Multidisciplinary Approach to Pain Management

Practice Questions

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