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The second stage of normal labour begins when the cervix is fully dilated (10 cm) and ends with the birth of the baby. It is a critical phase involving both passive descent and active pushing. Here’s a comprehensive overview:
🍼 Phases of the Second Stage of Labour
1. Passive (Latent) Phase
- Cervix is fully dilated, but no active pushing yet.
- The baby descends naturally through the birth canal.
- Often referred to as the “rest and be thankful” phase.
- Contractions may pause or become less intense.
- Especially prolonged if the mother has an epidural.
2. Active (Expulsive) Phase
- Begins when the mother feels an involuntary urge to push.
- The baby’s presenting part becomes visible.
- Maternal bearing down efforts begin.
- Ends with the complete delivery of the baby.
🔍 Signs of Second Stage
- Full cervical dilation confirmed by vaginal exam.
- Appearance of the presenting part (usually the baby’s head).
- Bulging of the perineum.
- Dilatation and gaping of the anus.
- Strong expulsive uterine contractions.
🧬 Physiology
- Descent: The baby continues to move down the birth canal.
- Rotation: The baby’s head molds and rotates to navigate the pelvis.
- Contractions: Become stronger and longer, but with longer gaps for recovery.
- Perineal stretching: May cause burning or stinging sensation.
🩺 Management Guidelines
- Encourage upright or lateral positions to aid descent.
- Avoid premature pushing unless the urge is strong.
- Monitor maternal and fetal well-being:
- Fetal heart rate
- Contraction pattern
- Maternal vitals and bladder status
- Directed pushing may be used if spontaneous efforts are ineffective.
- Delivery of the head and shoulders should be controlled to minimize trauma.
📚 Sources:
- NCT: What is the second stage of labour?
- Midwives Revision Uganda: Normal second stage of labour
- WHO Operational Guidance PDF
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Managing the second stage of normal labor, which spans from full cervical dilation to the delivery of the baby, involves several key steps to ensure the safety and well-being of both the mother and the baby. Here are the main aspects: Monitoring and Support 1. Continuous Monitoring: Regularly checkRead more
Managing the second stage of normal labor, which spans from full cervical dilation to the delivery of the baby, involves several key steps to ensure the safety and well-being of both the mother and the baby. Here are the main aspects:
Monitoring and Support
1. Continuous Monitoring: Regularly check the fetal heart rate and the mother’s vital signs to ensure both are stable.
2. Emotional and Physical Support: Provide encouragement and support to the mother, helping her with breathing techniques and positioning.
Positioning
1. Optimal Positioning: Encourage the mother to adopt positions that facilitate labor, such as squatting, kneeling, or side-lying.
Pushing Techniques
1. Guided Pushing: Instruct the mother on effective pushing techniques, typically during contractions.
2. Spontaneous Pushing: Allow the mother to push when she feels the urge, which can be more effective and less tiring.
Interventions
1. Perineal Support: Apply gentle pressure to support the perineum and reduce the risk of tears.
2. Episiotomy: If necessary, perform an episiotomy to enlarge the vaginal opening and facilitate delivery.
Delivery
1. Controlled Delivery of the Head: Guide the baby’s head out slowly to prevent rapid expulsion and reduce the risk of perineal trauma.
2. Check for Nuchal Cord: Ensure the umbilical cord is not wrapped around the baby’s neck and manage it if it is.
Immediate Post-Delivery Care
1. Newborn Assessment: Quickly assess the newborn’s condition using the Apgar score.
2. Skin-to-Skin Contact: Encourage immediate skin-to-skin contact between the mother and baby to promote bonding and breastfeeding.
These steps help ensure a smooth and safe delivery during the second stage of labor.
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