Labor and Delivery Practice Questions

Q: All are true about constriction rings except which of the following?

Also known as Schroeder's ring.. ***Also known as Schroeder's ring.*** - This statement is **INCORRECT** and is the correct answer to this "except" question. - **Schroeder's ring** is NOT synonymous with constriction rings. Schroeder's ring is a **physiological retraction ring** at the junction of the upper and lower uterine segments, which is a normal finding. - **Constriction rings** are **pathological, localized spastic contractions** of the uterine muscle at any level, causing obstruction to fetal descent. They differ from Bandl's pathological retraction ring. *Can be caused by excessive use of oxytocin.* - **Excessive oxytocin** can lead to **uterine hyperstimulation** and **incoordinate uterine contractions**, which may result in the formation of constriction rings. - This is a known iatrogenic cause of pathological constriction rings during labor. *Ring can be palpated per abdomen* - **Constriction rings** can sometimes be palpated as a **depression or groove** on the uterine surface during abdominal examination when they are well-developed. - They present as localized areas of myometrial spasm that may be clinically detectable. *Inhalation of amyl nitrate can relax the ring.* - **Amyl nitrite** (or amyl nitrate) is a **smooth muscle relaxant** that can be used to relax uterine constriction rings. - It acts as a **vasodilator** and **uterine relaxant**, temporarily relieving the spastic contraction to facilitate delivery or manual manipulation.

Q: Hematuria in previous LSCS patient indicates -

Urinary tract infection. ***Urinary tract infection*** - Hematuria in a patient with a previous **LSCS** (Lower Segment Caesarean Section) is a common symptom of a **urinary tract infection (UTI)**, as pregnancy itself, and sometimes a previous C-section, can increase UTI risk. - While a previous LSCS might alter pelvic anatomy, a UTI is a more direct and common cause of hematuria in this scenario than other obstetrical complications. *Placenta previa* - **Placenta previa** primarily causes **painless vaginal bleeding** in the second or third trimester due to the placenta covering the cervical os, not hematuria directly from the urinary tract. - While bleeding might be significant, it originates from the uterus, not the bladder, and is typically bright red vaginal bleeding. *No significant findings* - **Hematuria** is a significant finding that warrants investigation, as it indicates blood in the urine and is never considered "no significant finding." - It could be a sign of various underlying conditions, ranging from benign to serious, necessitating evaluation. *Rupture uterus* - **Uterine rupture** is a catastrophic event in pregnancy, often presenting with **severe abdominal pain**, fetal distress, and significant **vaginal bleeding**, not isolated hematuria. - While it's a serious complication, the blood would primarily be from the uterus or internal hemorrhage, not directly in the urine.

Q: In which obstetric condition is assisted head delivery typically performed?

Breech presentation. ***Breech presentation*** - In a **breech presentation**, the baby's buttocks or feet are delivered first, necessitating assisted head delivery to prevent **head entrapment** in the maternal pelvis, which can lead to fetal hypoxia or trauma. - Techniques like the **Mauriceau-Smellie-Veit maneuver** are employed to carefully deliver the fetal head after the body. *Shoulder dystocia* - This condition involves the impaction of the fetal shoulder against the maternal symphysis pubis after the head has been delivered. - The focus of management is on delivering the shoulders, not the head, through maneuvers such as the **McRoberts maneuver** or **suprapubic pressure**. *Transverse lie* - A **transverse lie** means the baby is positioned horizontally across the uterus, preventing vaginal delivery without intervention (e.g., external cephalic version or C-section). - This position requires repositioning or surgical delivery of the entire fetus, and assisted head delivery is not the primary concern. *Normal delivery* - In a **normal (vertex) delivery**, the fetal head presents first and typically delivers spontaneously with minimal assistance. - The head usually flexes and rotates to navigate the birth canal on its own, so specific assisted head delivery techniques are not typically required.

Q: Which of the following is not a cause of hematoma during labor?

Obliteration of dead space while suturing vaginal wall. ***Obliteration of dead space while suturing vaginal wall*** - This action actually **prevents hematoma formation** by ensuring proper coaptation of tissues and eliminating potential spaces for blood collection. - Good surgical technique, including **obliterating dead space**, is crucial for achieving effective hemostasis and wound healing. *Improper haemostasis* - **Inadequate control of bleeding** from blood vessels during or after delivery can lead to blood accumulation and hematoma formation. - This can be due to **insufficient ligation of vessels** or failure to adequately compress bleeding sites. *Extension of cervical laceration* - An **unrepaired or inadequately repaired cervical laceration** can continue to bleed, and if the bleeding is concealed, it can form a hematoma. - The rich vascular supply of the cervix makes it a significant source of potential blood loss if injured. *Rupture of paravaginal venous plexus* - The **paravaginal venous plexus** can be traumatized or ruptured during labor, especially with difficult deliveries, leading to significant bleeding into the surrounding tissues. - This often results in the formation of **pudendal or vulvovaginal hematomas**, which can be quite large and cause severe pain.

Q: What maneuver is used to deliver the head of a baby during a breech delivery?

Prague maneuver. ***Prague maneuver*** - The **Prague maneuver** is used to deliver the aftercoming fetal head in breech delivery when specific traction on the shoulders is needed. - **Prague I (or Prague-Veit)**: Used when the fetal **back is anterior** - the operator's fingers hook over the shoulders while traction is applied. - **Prague II**: Used when the fetal **back is posterior** - less commonly performed. - This maneuver involves supporting the fetal body while applying traction to the shoulders to facilitate head delivery. *Pinard's maneuver* - **Pinard's maneuver** is used to assist with the delivery of the fetal **legs** in a **frank or complete breech** presentation, not the head. - This maneuver involves flexing the hip and knee to bring down a foot, aiding in the delivery of the lower extremities. *Lovset's maneuver* - **Lovset's maneuver** is used during a breech delivery to assist with the delivery of the **shoulders by rotating the fetal trunk**. - It involves rotating the baby's trunk 180 degrees to bring the posterior shoulder anterior under the pubic symphysis, allowing for easier delivery of both arms and shoulders. *Burns-Marshall method* - The **Burns-Marshall method** is another technique used to deliver the aftercoming head in breech delivery. - It involves allowing the fetal body to hang by its own weight until the **nape of the neck and hairline appear** at the vulva, then lifting the body in an arc towards the mother's abdomen to deliver the head by flexion. - While this is also used for head delivery, the **Prague maneuver** involves more direct manual traction and is the answer expected for this examination context.

Q: Bishop scoring is done for ?

Induction of labor assessment. ***Induction of labor assessment*** - The **Bishop score** is a pre-labor scoring system used to assess the ripeness of the cervix. - A higher score indicates a more **favorable cervix** for the successful **induction of labor**. *Exchange transfusion in newborns* - **Exchange transfusion** is primarily indicated for severe hyperbilirubinemia or hemolytic disease in newborns. - Its assessment is based on **bilirubin levels** and other clinical factors, not the Bishop score. *Newborn ventilation assessment* - **Newborn ventilation assessment** involves evaluating respiratory effort, heart rate, and oxygenation status, often using scores like the **Apgar score**. - The Bishop score is unrelated to neonatal respiratory function. *Newborn gestation assessment* - **Newborn gestation assessment** is typically performed using methods like the **New Ballard Score** or by reviewing prenatal ultrasound dating. - The Bishop score is used in *maternal* obstetric management, not directly for neonatal gestational age estimation.

Q: Which type of pelvis is most commonly associated with dystocia?

Android. ***Android*** - The **android pelvis** has a **heart-shaped inlet** and converging side walls, which significantly increases the risk of **dystocia** due to restricted passage for the fetal head. - This pelvic shape is more common in men but can also be found in women, leading to a higher likelihood of **cephalopelvic disproportion**. *Platypelloid* - The **platypelloid pelvis** has a **flattened oval inlet** with a short anteroposterior diameter and a wide transverse diameter. - While it can lead to difficulties with engagement and rotation, it is not as commonly associated with severe dystocia as the android type, as the fetal head can often rotate to fit. *Gynaecoid* - The **gynaecoid pelvis** is considered the **ideal female pelvis** with a rounded or slightly oval inlet and well-proportioned diameters. - It is associated with the **easiest and most successful vaginal deliveries** and therefore is least likely to cause dystocia. *Anthropoid* - The **anthropoid pelvis** has an **oval inlet** with a long anteroposterior diameter and a relatively short transverse diameter. - While it can sometimes lead to an **occiput-posterior presentation**, it is not as strongly associated with dystocia as the android pelvis.

Q: What is the presenting part in a transverse lie?

Shoulder. ***Shoulder*** - In a **transverse lie**, the fetal **shoulder** is the part that presents over the pelvic inlet. - This occurs when the fetal long axis is 90 degrees to the maternal spine. *Face* - A **face presentation** is a type of **cephalic presentation** where the head is hyperextended, and the face is the presenting part. - This is not characteristic of a transverse lie. *Vertex* - A **vertex presentation** is the most common and ideal **cephalic presentation**, where the head is flexed and the top of the head (vertex) is the presenting part. - This indicates a longitudinal lie, not a transverse lie. *Brow* - A **brow presentation** is also a type of **cephalic presentation** where the fetal head is partially extended, and the brow is the presenting part. - Like vertex and face presentations, this occurs with a longitudinal fetal lie.

Q: Which of the following is a recognized method for the delivery of the after-coming head of a breech?

Mauriceau-Smellie-Veit maneuver. ***Mauriceau-Smellie-Veit maneuver*** - The **Mauriceau-Smellie-Veit maneuver** is the **gold standard** and most widely recognized method for delivering the after-coming head in breech delivery. - The technique involves the accoucheur placing the **index and middle fingers over the maxilla** (malar eminence) to flex the fetal head, while the fetal body rests on the forearm. - An assistant applies **suprapubic pressure** to maintain flexion of the fetal head. - This method provides excellent **control of the fetal head** and maintains proper flexion to prevent extension and facilitate safe delivery. *Burns and Marshall method* - The **Burns-Marshall method** is also a recognized technique for assisted breech delivery, but it is typically used when the body delivers spontaneously. - This method involves holding the fetal feet and allowing the baby to hang by its own weight, promoting flexion, then sweeping the baby upward over the maternal abdomen. - While valid, it is generally considered an **alternative** to the Mauriceau-Smellie-Veit maneuver rather than the primary method. *Forceps method* - **Piper forceps** are specifically designed for the after-coming head and are a recognized method, particularly when manual methods fail or in cases of **fetal distress**. - However, forceps application requires specific expertise and may not be the first-line approach in all settings. - When used appropriately, forceps provide controlled delivery and protect the fetal head. *Malar flexion and shoulder traction* - This is **not a recognized standard method** as described. - While malar pressure is used in the Mauriceau-Smellie-Veit maneuver, **shoulder traction** is dangerous and can cause **brachial plexus injury**, **Erb's palsy**, or **spinal cord damage**. - Traction should never be applied to the shoulders during breech delivery.

Q: Which of the following pelvic measurements is most commonly used in clinical practice?

Diagonal conjugate. ***Diagonal conjugate*** - This measurement is the most commonly used in clinical practice due to its **accessibility** and ability to estimate the **obstetrical conjugate**, which indicates the true AP diameter of the pelvic inlet. - It is measured vaginally from the **lower border of the symphysis pubis** to the **sacral promontory**. *Anteroposterior diameter of inlet* - This measurement, also known as the **obstetrical conjugate**, truly represents the narrowest AP diameter for fetal passage through the inlet. - However, it cannot be measured directly clinically and must be estimated from the diagonal conjugate or imaging. *Transverse diameter of outlet* - This measurement is important for assessing the **midpelvis** and **pelvic outlet**, but it is less commonly the primary measurement used for initial pelvic assessment compared to the diagonal conjugate. - A compromised transverse diameter can indicate a generally contracted pelvis or **android/anthropoid pelvic shapes**, which may lead to obstructed labor. *Oblique diameter of pelvis* - The oblique diameter provides information about the **symmetry of the pelvis**, but it is not routinely measured clinically unless there is suspicion of pelvic asymmetry or disease. - Significant asymmetry, often due to injury or disease (e.g., **scoliosis**, polio), can complicate labor by misdirecting the fetal head.

Question 1

All are true about constriction rings except which of the following?

Accepted Answer

Also known as Schroeder's ring.

Answer

Can be caused by excessive use of oxytocin.

Answer

Ring can be palpated per abdomen

Answer

Inhalation of amyl nitrate can relax the ring.

Question 2

Hematuria in previous LSCS patient indicates -

Accepted Answer

Urinary tract infection

Answer

Placenta previa

Answer

No significant findings

Answer

Rupture uterus

Question 3

In which obstetric condition is assisted head delivery typically performed?

Accepted Answer

Breech presentation

Answer

Shoulder dystocia

Answer

Transverse lie

Answer

Normal delivery

Question 4

Which of the following is not a cause of hematoma during labor?

Accepted Answer

Obliteration of dead space while suturing vaginal wall

Answer

Extension of cervical laceration

Answer

Rupture of paravaginal venous plexus

Answer

Improper haemostasis

Question 5

What maneuver is used to deliver the head of a baby during a breech delivery?

Accepted Answer

Prague maneuver

Answer

Pinards maneuver

Answer

Lovsets maneuver

Answer

Burn Marshall method

Question 6

Bishop scoring is done for ?

Accepted Answer

Induction of labor assessment

Answer

Exchange transfusion in newborns

Answer

Newborn ventilation assessment

Answer

Newborn gestation assessment

Question 7

Which type of pelvis is most commonly associated with dystocia?

Accepted Answer

Android

Answer

Platypelloid

Answer

Gynaecoid

Answer

Anthropoid

Question 8

What is the presenting part in a transverse lie?

Accepted Answer

Shoulder

Answer

Face

Answer

Vertex

Answer

Brow

Question 9

Which of the following is a recognized method for the delivery of the after-coming head of a breech?

Accepted Answer

Mauriceau-Smellie-Veit maneuver

Answer

Burns and Marshall method

Answer

Malar flexion and shoulder traction

Answer

Forceps method

Question 10

Which of the following pelvic measurements is most commonly used in clinical practice?

Accepted Answer

Diagonal conjugate

Answer

Transverse diameter of outlet

Answer

Oblique diameter of pelvis

Answer

Anteroposterior diameter of inlet

Labor and Delivery — MCQs

Labor and Delivery — MCQs

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