Labor and Delivery Practice Questions

Q: A pregnant lady has delivered a baby 35 minutes back. However, the placenta has not been delivered. What is the next line of management?

Manual removal of placenta. **Explanation:** The third stage of labor begins after the delivery of the fetus and ends with the expulsion of the placenta. The diagnosis in this case is **Retained Placenta**, which is clinically defined as the failure of the placenta to be expelled within **30 minutes** of the birth of the baby (with active management). **Why Option B is correct:** Once 30 minutes have elapsed, the risk of postpartum hemorrhage (PPH) increases significantly. The definitive management for a retained placenta is **Manual Removal of Placenta (MROP)**. This procedure is performed under general anesthesia or deep sedation. The clinician follows the umbilical cord to locate the placenta and uses a "sawing" motion with the edge of the hand to shear the placenta from the uterine wall. **Why other options are incorrect:** * **A. Controlled Cord Traction (CCT):** This is a component of Active Management of the Third Stage of Labor (AMTSL). If the placenta is not delivered within 30 minutes despite CCT, further traction carries the risk of uterine inversion or cord avulsion. * **C. Hysterotomy:** This is a major surgical procedure and is only indicated in cases of *Placenta Accreta Spectrum* where MROP fails or causes massive hemorrhage. * **D. Tocolytics:** These drugs relax the uterus. They are contraindicated here as a contracted uterus is necessary to prevent bleeding. Conversely, *uterotonics* (like Oxytocin) are used after MROP to ensure uterine contraction. **High-Yield Clinical Pearls for NEET-PG:** * **Time limit:** 30 minutes (Active management); 60 minutes (Physiological management). * **Most common cause:** Uterine atony or a constricted "hourglass" contraction ring. * **Prophylaxis:** AMTSL (Oxytocin 10 IU IM) reduces the incidence of retained placenta. * **Post-procedure:** Always check for placental completeness and administer antibiotics to prevent endomyometritis.

Q: A 26-year-old G3P2L2 at 40 weeks presents in the second stage of labor. The baby's head delivers spontaneously, but then retracts back against the perineum. Even with downward traction, the baby's anterior shoulder fails to deliver. All of the following are appropriate next steps in the management of this patient EXCEPT?

Instruct the nurse to apply fundal pressure. **Explanation:** The clinical scenario describes **Shoulder Dystocia**, characterized by the "Turtle Sign" (retraction of the head against the perineum) and the failure of the anterior shoulder to deliver with standard traction. This is an obstetric emergency. **Why Option A is the Correct Answer (The "EXCEPT" choice):** **Fundal pressure** is strictly **contraindicated** in shoulder dystocia. Applying pressure to the fundus further impacts the anterior shoulder behind the symphysis pubis and increases the risk of serious complications, including **uterine rupture** and **brachial plexus injury (Erb’s Palsy)** in the neonate. **Analysis of Other Options:** * **B. Call for help:** This is the immediate first step (ALARMER protocol) as shoulder dystocia requires an anesthesiologist, pediatrician, and extra nursing staff. * **C. Cut a generous episiotomy:** While shoulder dystocia is a bony impaction (not soft tissue), an episiotomy provides necessary room for the clinician to perform internal maneuvers (like Wood’s screw or Rubin’s maneuver). * **D. McRoberts Maneuver:** Flexing the hips against the chest increases the pelvic inlet diameter and flattens the sacral promontory. This is the **first-line maneuver** and succeeds in up to 40-90% of cases. **NEET-PG High-Yield Pearls:** * **HELPERR Mnemonic:** **H**elp, **E**pisiotomy, **L**egs (McRoberts), **P**ressure (Suprapubic), **E**nter (Internal maneuvers), **R**emove posterior arm, **R**oll (Gaskin maneuver). * **Suprapubic pressure (Mazzanti maneuver)** is correct; **Fundal pressure** is wrong. * **Zavanelli Maneuver:** Cephalic replacement followed by C-section (last resort). * **Most common injury:** Brachial plexus injury (C5-C6).

Q: What is the transverse diameter of the female mid-pelvic plane?

10.5 cm. The **mid-pelvis** (plane of least pelvic dimensions) is the most critical area of the pelvic canal because it is where the fetal head typically undergoes internal rotation. ### **Explanation of the Correct Answer** The **transverse diameter** of the mid-pelvis is also known as the **Interspinous Diameter**. It is the distance between the two ischial spines. In a standard female pelvis, this measures **10.5 cm**. It is clinically significant because it is the narrowest diameter of the entire pelvic canal through which the fetus must pass. ### **Analysis of Incorrect Options** * **B. 11.5 cm:** This is the approximate **Anteroposterior (AP) diameter** of the mid-pelvis (measured from the lower border of the symphysis pubis to the junction of the 4th and 5th sacral vertebrae). * **C. 12.5 cm:** This corresponds to the **Transverse diameter of the Pelvic Inlet**, which is the widest diameter of the inlet. * **D. 9.5 cm:** This is the **Obstetric Conjugate** (the narrowest AP diameter of the inlet) or the **Bispinous diameter** in a severely contracted pelvis. ### **High-Yield Clinical Pearls for NEET-PG** * **Boundaries of Mid-pelvis:** Anteriorly by the lower border of the symphysis pubis, laterally by the ischial spines, and posteriorly by the sacrum (S4–S5). * **Clinical Significance:** If the interspinous diameter is **<10 cm**, it suggests mid-pelvic contraction, which may lead to transverse arrest of the fetal head. * **Ischial Spines:** These serve as the landmark for "Zero Station" in assessing fetal descent. * **Shape:** The mid-pelvis is roughly circular, but the interspinous diameter is its most restrictive dimension.

Q: Interpret the given partogram:

Cephalopelvic disproportion. ***Cephalopelvic disproportion*** - The partogram shows **active phase arrest** with the cervical dilatation curve crossing to the right of the **action line**, indicating obstructed labor despite adequate uterine contractions. - This pattern is characteristic of **mechanical obstruction** where the fetal head cannot pass through the maternal pelvis due to size discrepancy. *Inadequate uterine contraction* - Would show **slow cervical dilatation** but the contraction pattern would be weak or infrequent on the partogram. - The cervical dilatation curve would progress slowly but parallel to the **alert line** rather than crossing the action line. *Prolonged latent phase* - Occurs when the **latent phase** (0-4 cm dilatation) takes longer than 20 hours in primigravida or 14 hours in multigravida. - The partogram would show delayed onset of active phase rather than arrest during the **active phase**. *Normalogram* - Would show cervical dilatation progressing at **1 cm/hour** in the active phase, staying to the left of the alert line. - **Fetal heart rate**, **liquor color**, and **descent** would all remain within normal parameters throughout labor.

Q: A pregnant patient presents with abdominal pain and bleeding per vaginam with a twin gestation of 34 weeks. What is the most probable diagnosis?

Abruptio placenta. **Explanation:** The clinical presentation of **abdominal pain** combined with **bleeding per vaginam** in the third trimester (34 weeks) is a classic triad for **Abruptio Placenta**. In this condition, the placenta prematurely separates from the uterine wall before delivery. **Twin gestation** is a significant risk factor for abruption due to sudden uterine decompression or chronic overdistension. The pain is typically constant and associated with uterine tenderness or hypertonicity. **Why other options are incorrect:** * **Placenta Previa:** While it presents with third-trimester bleeding, it is characteristically **painless, causeless, and recurrent**. The presence of abdominal pain strongly points away from previa toward abruption. * **Ectopic Pregnancy:** This typically presents in the **first trimester** (usually before 12 weeks) with a triad of amenorrhea, pain, and bleeding. It is not a viable diagnosis at 34 weeks. * **Abortion:** By definition, abortion refers to the termination of pregnancy **before 20–24 weeks** (depending on local guidelines). At 34 weeks, the condition is classified under Antepartum Hemorrhage (APH). **Clinical Pearls for NEET-PG:** * **Risk Factors for Abruption:** Hypertension (most common), trauma, cocaine use, polyhydramnios, and multiple gestations. * **Couvelaire Uterus:** A complication of severe abruption where blood intravasates into the myometrium, giving it a port-wine appearance. * **Coagulation Profile:** Abruptio placenta is the most common cause of **DIC** (Disseminated Intravascular Coagulation) in obstetrics. * **Management:** If the fetus is alive and in distress, immediate Cesarean section is the treatment of choice.

Q: A 30-year-old female patient in labor has the following fetal tocographic finding. What does it suggest?

Fetal distress. ***Fetal distress*** - **Late decelerations** on CTG indicate uteroplacental insufficiency with fetal hypoxemia, representing true fetal distress requiring immediate intervention. - These decelerations begin after the peak of uterine contraction and persist beyond its end, suggesting **inadequate oxygen delivery** to the fetus. *Early cord compression* - **Variable decelerations** on CTG would indicate cord compression, characterized by abrupt onset and resolution with contractions. - These show a **W-shaped pattern** and can occur at any time during the contraction cycle, unlike the consistent timing seen in fetal distress. *Head compression* - **Early decelerations** result from fetal head compression during contractions, showing a **gradual decrease** that mirrors the contraction pattern. - These are considered **physiologically benign** and begin with the start of contraction, ending when the contraction ends. *Fetal anemia* - **Sinusoidal pattern** on CTG suggests severe fetal anemia, showing a **smooth, undulating baseline** without normal variability. - This pattern indicates conditions like **Rh isoimmunization** or **fetomaternal hemorrhage**, not the acute hypoxic changes described.

Q: What is the most common breech presentation in a nulliparous woman?

Frank breech. **Explanation:** **Frank breech** is the most common type of breech presentation, occurring in approximately **60–70%** of all breech cases. In this presentation, the hips are flexed and the knees are extended (the "pike" position), with the feet lying close to the head. This is particularly common in **nulliparous women** because the firm, well-toned abdominal and uterine muscles exert pressure on the fetus, forcing the legs into extension against the trunk. **Analysis of Options:** * **A. Frank breech (Correct):** As mentioned, it is the most frequent variety (65%). It is also the most favorable breech for a trial of vaginal delivery because the buttocks act as a good dilating wedge for the cervix. * **B. Complete breech:** Here, both hips and knees are flexed (the "sitting" position). It accounts for about 25% of cases and is more common in multiparous women with lax abdominal walls. * **C. Footling breech:** One or both feet are the presenting part below the buttocks. This is the most dangerous type due to the high risk of **cord prolapse** (up to 15%). * **D. Incomplete breech:** This is a general term where one or both hips are not flexed, encompassing footling varieties. **High-Yield NEET-PG Pearls:** 1. **Incidence:** Breech presentation occurs in 3–4% of term pregnancies. 2. **Cord Prolapse Risk:** Highest in Footling (15%), followed by Complete (5%), and lowest in Frank breech (0.5%). 3. **Prerequisite for Vaginal Breech Delivery:** Frank breech is the preferred type; footling is generally a contraindication. 4. **Most common cause of breech:** Prematurity (the fetus has not yet performed the "version" to cephalic).

Q: During delivery, the baby's head was delivered but the shoulders were not delivered after one minute. What is the next step?

Mc Robert's Maneuver. **Explanation:** The clinical scenario describes **Shoulder Dystocia**, defined as the failure of the shoulders to deliver after the head, despite routine traction, usually due to the anterior shoulder being impacted behind the maternal symphysis pubis. **Why McRobert’s Maneuver is the correct next step:** McRobert’s maneuver is the **first-line management** for shoulder dystocia. It involves hyperflexion and abduction of the maternal hips against the abdomen. This action flattens the sacral promontory and rotates the symphysis pubis cephalad, increasing the pelvic outlet diameter and facilitating the release of the impacted anterior shoulder. It has a high success rate (up to 90%) and is the least invasive initial intervention. **Why the other options are incorrect:** * **Lateral Traction:** This is contraindicated. Excessive downward or lateral traction on the fetal head increases the risk of **Erb’s Palsy** (Brachial Plexus injury). * **Cleidotomy:** This involves the intentional fracturing of the fetal clavicle to reduce the shoulder girth. It is a destructive procedure reserved for cases where the fetus is dead or as a last resort in extreme emergencies. * **Emergency LSCS:** Once the head is delivered, a standard LSCS is not possible. The **Zavanelli maneuver** (replacing the head back into the vagina) must be performed first to allow for a Cesarean delivery, but this is a maneuver of last resort. **High-Yield Clinical Pearls for NEET-PG:** * **HELPERR Mnemonic:** Used for the sequence of management (H-Help, E-Episiotomy, L-Legs/McRoberts, P-Suprapubic Pressure, E-Enter/Internal rotation, R-Remove posterior arm, R-Roll the patient). * **Turtle Sign:** The retraction of the fetal head against the perineum, a classic diagnostic sign. * **Suprapubic Pressure (Mazzanti Maneuver):** Often performed alongside McRoberts; **Fundal pressure is strictly contraindicated** as it further impacts the shoulder.

Question 1

A pregnant lady has delivered a baby 35 minutes back. However, the placenta has not been delivered. What is the next line of management?

Accepted Answer

Manual removal of placenta

Answer

Controlled cord traction

Answer

Hysterotomy and removal of placenta

Answer

Administration of tocolytic drug

Question 2

A 26-year-old G3P2L2 at 40 weeks presents in the second stage of labor. The baby's head delivers spontaneously, but then retracts back against the perineum. Even with downward traction, the baby's anterior shoulder fails to deliver. All of the following are appropriate next steps in the management of this patient EXCEPT?

Accepted Answer

Instruct the nurse to apply fundal pressure

Answer

Call for help

Answer

Cut a generous episiotomy

Answer

Instruct the nurse to flex the hip joint so that the patient's legs are up to her chest

Question 3

What is the transverse diameter of the female mid-pelvic plane?

Accepted Answer

10.5 cm

Answer

11.5 cm

Answer

12.5 cm

Answer

9.5 cm

Question 4

Interpret the given partogram:

Accepted Answer

Cephalopelvic disproportion

Answer

Inadequate uterine contraction

Answer

Prolonged latent phase

Answer

Normalogram

Question 5

A pregnant patient presents with abdominal pain and bleeding per vaginam with a twin gestation of 34 weeks. What is the most probable diagnosis?

Accepted Answer

Abruptio placenta

Answer

Placenta previa

Answer

Ectopic pregnancy

Answer

Abortion

Question 6

What is the best method for induction of labor in cases of hydramnios?

Accepted Answer

Abdominal amniocentesis followed by stabilizing oxytocin drip

Answer

High rupture of the membranes

Answer

Low rupture of the membranes

Answer

Prostaglandins

Question 7

A 30-year-old female patient in labor has the following fetal tocographic finding. What does it suggest?

Accepted Answer

Fetal distress

Answer

Early cord compression

Answer

Head compression

Answer

Fetal anemia

Question 8

What is the most common breech presentation in a nulliparous woman?

Accepted Answer

Frank breech

Answer

Complete breech

Answer

Footling

Answer

Incomplete breech

Question 9

During delivery, the baby's head was delivered but the shoulders were not delivered after one minute. What is the next step?

Accepted Answer

Mc Robert's Maneuver

Answer

Cleidotomy

Answer

Lateral traction

Answer

Emergency LSCS

Question 10

A 26-year-old G2P1 woman at 41 weeks gestation has been pushing for 3 hours without progress. Her vaginal examination shows complete dilation, complete effacement, and 0 station, with the fetal head persistently in the occiput posterior position. Which of the following statements accurately describes the situation?

Accepted Answer

The patient is best described as having an arrest of descent.

Answer

The bony part of the fetal head is likely to be at the plane of the pelvic inlet.

Answer

The occiput posterior position is frequently associated with a gynecoid pelvis.

Answer

Labor progress is normal if the patient does not have an epidural catheter for analgesia, but abnormal if epidural analgesia is being used.

Labor and Delivery — MCQs

Labor and Delivery — MCQs

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