Stages of Labor and Normal Progression — MCQs
What is true about the partograph?
Which of the following is consistent with a decision to perform a cerclage?
A primigravida presents to the labor room at 40 weeks of gestation with lower abdominal pain. She has been in labor for 3 hours. Which of the following will determine if she is in active labor?
A multigravida at term with a transverse lie and hand prolapse, along with a fetal heart rate of 140/min, is best managed by:
Female with 41 wk gestation confirmed by radiological investigation, very sure of her LMP, no uterine contractions, no effacement and no dilatation. What should be done to induce labor?
A pregnant female presents with active herpetic lesions on the vulva. What is the most appropriate management?
The normal rate of dilatation of the cervix in a primigravida in the active phase of labor is
The Matthews Duncan process has been described for :
According to WHO Intrapartum Care Guidelines 2018, which one of the following is correct about duration of first stage labour?
Which of the following is a part of AMTSL?
Stages of Labor and Normal Progression Indian Medical PG Practice Questions and MCQs
Question 1: What is true about the partograph?
- A. Alert and action lines are separated by a difference of 4 hours in a standard partograph. (Correct Answer)
- B. Partograph recording should be started at a cervical dilation of 4 cm.
- C. Each small square represents 30 minutes.
- D. Send the patient to the first referral unit if the labor progression line crosses the action line.
Explanation: ***Alert and action lines are separated by a difference of 4 hours in a standard partograph.*** - This is **CORRECT**. In the WHO partograph, the **alert line** and **action line** are separated by **4 hours**. - The alert line runs parallel to the expected labor progression, while the action line is 4 hours to the right. - This 4-hour interval allows for close monitoring and timely intervention if labor progress deviates from normal. *Partograph recording should be started at a cervical dilation of 4 cm.* - According to **WHO 2018 guidelines**, partograph recording should now be started at **5 cm dilation**, marking the active phase of first stage of labor. - The older recommendation of 4 cm is outdated, though it may still appear in some textbooks. - Starting at 5 cm better defines the active phase and reduces unnecessary interventions. *Each small square represents 30 minutes.* - In a standard WHO partograph, each small square on the time axis represents **1 hour**, not 30 minutes. - This allows for hourly recording of cervical dilation, fetal heart rate, contractions, and other labor parameters. *Send the patient to the first referral unit if the labor progression line crosses the action line.* - When the labor curve crosses the **action line**, it indicates **prolonged labor** requiring immediate intervention. - The appropriate action depends on facility capabilities: this may include **augmentation of labor, preparing for cesarean section**, or referral if necessary. - Automatic referral is not the only or primary response; active management at the current facility is often appropriate.
Question 2: Which of the following is consistent with a decision to perform a cerclage?
- A. Gestation of 26 weeks
- B. Uterine bleeding
- C. Uterine contractions
- D. Cervix dilated to 3 cm (Correct Answer)
Explanation: ***Cervix dilated to 3 cm*** - In the context of **mid-trimester cervical dilation** (before 24 weeks) without contractions or bleeding, this represents **cervical insufficiency** - a potential indication for **emergency (rescue) cerclage**. - While 3 cm dilation is at the **upper limit** and somewhat controversial, emergency cerclage may still be considered if membranes are intact, there are no contractions, and gestational age is <24 weeks. - This is the **only option** that represents a clinical scenario where cerclage might be performed, as the other three options are **absolute contraindications**. - Note: Most clinicians prefer cervical dilation **<2 cm** for rescue cerclage, but individual cases at 2-3 cm may be considered based on clinical judgment. *Gestation of 26 weeks* - Cerclage is typically placed between **12-14 weeks** (prophylactic) or up to **23-24 weeks** (emergency). - At **26 weeks**, cerclage is **contraindicated** - the risks (membrane rupture, infection, preterm labor) outweigh benefits at this advanced gestation. - This is an **absolute contraindication** regardless of cervical findings. *Uterine bleeding* - **Active uterine bleeding** is an **absolute contraindication** to cerclage placement. - Bleeding increases risks of **infection, membrane rupture, and preterm labor**. - Must rule out **placental abruption, placenta previa**, or other complications before considering any cervical intervention. *Uterine contractions* - **Active uterine contractions** are an **absolute contraindication** for cerclage. - Placing cerclage during contractions can precipitate **preterm labor and delivery**. - Contractions indicate the cervix may be responding to labor stimuli, making cerclage ineffective and potentially harmful.
Question 3: A primigravida presents to the labor room at 40 weeks of gestation with lower abdominal pain. She has been in labor for 3 hours. Which of the following will determine if she is in active labor?
- A. Fetal head 5/5 palpable on abdominal examination
- B. Two contractions lasting for 10 seconds in 10 minutes
- C. Rupture of membranes
- D. Cervical dilatation of 6 cm or more with regular contractions (Correct Answer)
Explanation: ***Cervical dilatation of 6 cm or more with regular contractions*** - Active labor is officially defined by **cervical dilatation of 6 cm or more** according to the ACOG and SMFM 2014 consensus guidelines, which redefined the labor curve based on the Consortium on Safe Labor study. - This represents a shift from the traditional Friedman curve definition of 4 cm, recognizing that **significant progressive cervical change** with regular uterine contractions is the hallmark of active labor. - Complete effacement typically occurs during the latent phase, and while regular contractions accompany active labor, **cervical dilatation ≥6 cm is the primary diagnostic criterion**. *Fetal head 5/5 palpable on abdominal examination* - This finding indicates a **high fetal head** that is not engaged (0/5 of the head has entered the pelvis), which does not determine whether active labor has begun. - **Fetal station and engagement** are important for assessing labor progression and potential for cephalopelvic disproportion, but are not the primary criteria for diagnosing active labor. *Two contractions lasting for 10 seconds in 10 minutes* - These contractions are **infrequent and very short**, more characteristic of latent labor or Braxton Hicks contractions. - Active labor typically involves **3-5 contractions in 10 minutes, each lasting 45-60 seconds**, with sufficient intensity to cause progressive cervical change. *Rupture of membranes* - **Rupture of membranes (ROM)**, whether spontaneous or artificial, is an important event but does not by itself indicate active labor. - A woman can have ROM in the **latent phase** or even before labor begins (prelabor ROM or PROM), and **cervical dilatation remains the primary determinant** of active labor.
Question 4: A multigravida at term with a transverse lie and hand prolapse, along with a fetal heart rate of 140/min, is best managed by:
- A. External cephalic version
- B. Cesarean delivery (Correct Answer)
- C. Breech delivery
- D. Internal podalic version
Explanation: ***Cesarean delivery*** - A **transverse lie** at term is a contraindication to vaginal delivery, as the fetus cannot pass through the birth canal in this orientation. - The presence of **hand prolapse** further complicates the situation, increasing the risk of umbilical cord prolapse and fetal distress, making cesarean section the safest option. *External cephalic version* - This procedure is performed to change a **breech or transverse lie** to a cephalic presentation, but it is typically done *before* term, usually between 36-37 weeks. - It is contraindicated once labor has started or with **membrane rupture** and fetal parts prolapsed, as is implied by hand prolapse in this term patient. *Breech delivery* - Breech delivery involves the fetus presenting buttocks or feet first, which is not the case here; the presentation is **transverse lie** and **hand prolapse**. - While some breech deliveries can be attempted vaginally under specific circumstances, this patient's presentation makes it an inappropriate option. *Internal podalic version* - This procedure involves changing a **transverse lie** to a **breech presentation** by internal manipulation, often performed in cases of twin delivery for the second twin or in specific scenarios of malpresentation in earlier gestations. - It is rarely performed for a single fetus at term due to risks for both mother and fetus, especially with a **term fetus** and **hand prolapse**.
Question 5: Female with 41 wk gestation confirmed by radiological investigation, very sure of her LMP, no uterine contractions, no effacement and no dilatation. What should be done to induce labor?
- A. PGE1 tab (Correct Answer)
- B. PGE2 gel
- C. PGF2alpha
- D. Intracervical foley’s
Explanation: ***PGE1 tab*** - **Misoprostol (PGE1)** is an effective agent for **cervical ripening** and labor induction in cases of an unfavorable cervix (no effacement, no dilatation). - It is cost-effective, stable at room temperature, and widely used in resource-limited settings. - Can be administered orally or vaginally with good efficacy for cervical ripening at term. - In this post-term pregnancy with unfavorable cervix, pharmacological ripening is appropriate. *PGE2 gel* - **PGE2 (dinoprostone)** gel or cervical insert is also an effective option for cervical ripening. - Both PGE1 and PGE2 are acceptable first-line agents; the choice may depend on availability, cost, and institutional protocols. - PGE2 formulations are FDA-approved and widely used, though may be more expensive than misoprostol. *PGF2alpha* - **PGF2alpha (carboprost)** is primarily used for the **management of postpartum hemorrhage** due to its potent myometrial contracting effect. - It is **not indicated** for induction of labor at term as its strong uterine contractions can cause excessive uterine stimulation and fetal distress. *Intracervical foley's* - An **intracervical Foley catheter** is a mechanical method that causes cervical ripening through direct pressure and stimulation of local prostaglandin release. - It is an evidence-based alternative with lower risk of uterine hyperstimulation compared to pharmacological methods. - Both mechanical and pharmacological methods are acceptable first-line options for cervical ripening in post-term pregnancy with unfavorable cervix.
Question 6: A pregnant female presents with active herpetic lesions on the vulva. What is the most appropriate management?
- A. Wait & watch
- B. Acyclovir & elective cesarean section (C-section) (Correct Answer)
- C. Acyclovir & allow spontaneous progression of labor
- D. Induction of labor
Explanation: ***Acyclovir & elective cesarean section (C-section)*** - Active **genital herpetic lesions** at the time of delivery pose a significant risk of transmitting **herpes simplex virus (HSV)** to the neonate. - **Acyclovir** can help suppress viral replication, but a **cesarean section** is necessary to prevent direct contact with the lesions during birth, which could lead to severe neonatal HSV infection. *Wait & watch* - This approach is inappropriate due to the high risk of **vertical transmission** of HSV to the neonate if lesions are active during vaginal delivery, potentially causing life-threatening complications. - **Neonatal HSV** can result in significant morbidity and mortality, including neurological damage and disseminated disease. *Acyclovir & allow spontaneous progression of labor* - While **acyclovir** can reduce viral load, it does not completely eliminate the risk of transmission from active lesions during a vaginal birth. - The primary concern is protecting the neonate from direct contact with the **active lesions** in the birth canal. *Induction of labor* - **Induction of labor** does not mitigate the risk of **vertical transmission** from active lesions during a vaginal delivery. - The focus should be on preventing contact with the lesions, not on expediting vaginal birth once active lesions are present.
Question 7: The normal rate of dilatation of the cervix in a primigravida in the active phase of labor is
- A. 1 cm/hour (Correct Answer)
- B. 0.25 cm/hour
- C. 0.75 cm/hour
- D. 0.5 cm/hour
Explanation: ***1 cm/hour*** - The **active phase** of labor in a **primigravida** (first-time mother) is characterized by a cervical dilatation rate of at least 1 cm per hour. - This rate signifies good progress and is often used as a benchmark on a **partogram** to monitor labor. *0.25 cm/hour* - This rate is significantly **slower** than normal for the active phase of labor in a primigravida and would indicate **abnormal labor progression**, possibly requiring intervention. - Such a slow rate might be seen in the **latent phase** or in cases of **protracted labor**. *0.75 cm/hour* - While closer, this rate is still **below the expected minimum** for a primigravida in the active phase, suggesting slightly slower than optimal progress. - It could still indicate a **protracted active phase**, particularly if it persists. *0.5 cm/hour* - This rate is **substantially slower** than the typical progress in the active phase of labor for a primigravida. - It would be a strong indicator of **failure to progress** and would likely warrant a thorough evaluation for potential causes such as **cephalopelvic disproportion** or ineffective uterine contractions.
Question 8: The Matthews Duncan process has been described for :
- A. controlled contraction in active management of third stage of labour
- B. central separation of placenta in normal labour
- C. marginal separation of placenta in normal labour (Correct Answer)
- D. reposition of acute inversion of uterus following vaginal delivery
Explanation: ***Marginal separation of placenta in normal labour*** - The **Matthews Duncan method** describes the process of **placental separation** where the placenta detaches from its **edges first**, leading to bleeding from the exposed maternal surface. - This type of separation is one of the two main mechanisms by which the placenta separates from the **uterine wall** during the third stage of labor. *Controlled contraction in active management of third stage of labour* - This refers to techniques like **controlled cord traction** and **fundal massage**, which are part of the active management to expedite placental delivery and prevent hemorrhage. - While it's a part of third stage management, it describes an intervention for placental expulsion, not a specific mechanism of placental detachment. *Central separation of placenta in normal labour* - This is known as the **Schultze method**, where placental separation begins in the **center**, leading to the fetal surface presenting first and less visible bleeding during separation. - The question specifically asks about the **Matthews Duncan process**, which is distinct from central separation. *Reposition of acute inversion of uterus following vaginal delivery* - **Uterine inversion** is a rare but severe complication where the **fundus** collapses through the **cervix**. - Repositioning involves manual or surgical techniques to return the uterus to its normal anatomical position and is unrelated to placental separation mechanisms.
Question 9: According to WHO Intrapartum Care Guidelines 2018, which one of the following is correct about duration of first stage labour?
- A. Duration of active stage of primigravida should not exceed 8 hours
- B. Duration of active stage of multigravida should not exceed 6 hours
- C. Duration of active stage of primigravida should not exceed 18 hours
- D. Duration of latent phase of primigravida has not been established (Correct Answer)
Explanation: ***Duration of latent phase of primigravida has not been established*** - The **WHO Intrapartum Care Guidelines 2018** state that for both primigravid and multiparous women, the duration of the **latent phase of labor** has significant variability and a specific maximum duration to define prolonged labor has not been established. - This reflects the understanding that the latent phase can be variable and does not necessarily require intervention if the woman and fetus are well. *Duration of active stage of primigravida should not exceed 8 hours* - The 2018 WHO guidelines suggest that the **active phase of first-stage labor** for a **primigravida** can be up to **12 hours** or even longer, as long as there is continuous progress in cervical dilation. - The concept of a rigid 8-hour limit for all primigravidae in the active phase is not supported by current evidence-based guidelines, which emphasize individual progress. *Duration of active stage of multigravida should not exceed 6 hours* - For **multigravid women**, the active phase of the first stage of labor is generally shorter than for primigravidae, but the WHO guidelines do not set a strict upper limit of 6 hours. - Instead, they emphasize that progress in cervical dilation should be monitored, and interventions should be based on a lack of progress along with other clinical indicators, rather than a fixed time frame. *Duration of active stage of primigravida should not exceed 18 hours* - While the active phase of labor can be prolonged, a "should not exceed 18 hours" limit is not explicitly defined in the way it is presented. - The **WHO guidelines** advocate for continuous monitoring of cervical dilation, with an expected rate of at least 1 cm/hour during the active phase, acknowledging that some women may have slower but still physiological progress.
Question 10: Which of the following is a part of AMTSL?
- A. Uterine massage
- B. Controlled cord traction (Correct Answer)
- C. Early cord clamping
- D. Uterotonics after delivery of placenta
Explanation: ***Controlled cord traction*** - **Controlled cord traction (CCT)** is a key component of Active Management of Third Stage of Labor (AMTSL) performed during placental delivery. - This technique involves applying gentle, sustained traction to the umbilical cord while simultaneously providing counter-traction to the fundus (Brandt-Andrews maneuver) to prevent **uterine inversion**. - CCT is performed after administering a uterotonic and is the primary active maneuver for delivering the placenta. *Uterine massage* - **Uterine massage** is also a component of AMTSL, but it is performed **after placental delivery** to ensure adequate uterine contraction and prevent postpartum hemorrhage. - The three components of AMTSL per WHO recommendations are: (1) Uterotonic administration, (2) Controlled cord traction, (3) Uterine massage after placental delivery. - While technically part of AMTSL, **controlled cord traction** is the more specific answer as it refers to the active maneuver during placental separation and delivery itself. *Early cord clamping* - **Early cord clamping** (within 60 seconds of birth) has been removed from AMTSL recommendations in favor of **delayed cord clamping** (1-3 minutes or when pulsation stops). - Current WHO guidelines recommend delayed cord clamping for all births while still performing AMTSL, as delayed clamping provides neonatal benefits without increasing maternal hemorrhage risk. *Uterotonics after delivery of placenta* - **Uterotonics** (oxytocin 10 IU IM/IV) are administered **within 1 minute of birth** of the baby, which is *before* placental delivery, not after. - This prophylactic administration is the cornerstone of AMTSL and reduces postpartum hemorrhage risk by approximately 60%. - Administering uterotonics *after* placental delivery does not constitute proper AMTSL timing.
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