16/03/2026
👶 Childbirth (Labor & Delivery)
🔹 What is Childbirth?
Childbirth begins when labor starts.
Labor causes uterine contractions that lead to:
1️⃣ Cervical dilation (opening of the cervix)
2️⃣ Cervical effacement (thinning of the cervix)
3️⃣ Birth of the baby
4️⃣ Delivery of the placenta
🔹 Factors for Normal Childbirth
Successful va**nal delivery requires good compatibility between mother and baby, including:
• Size of the baby
• Shape of the mother’s pelvis
• Strength of uterine contractions
🔹 Birth Canal
The birth canal is the pathway the baby travels during va**nal delivery.
It includes:
• Bony pelvis
• Soft tissues (cervix, va**na, pelvic floor)
🔹 Fetal Orientation During Labor
Doctors describe the baby’s position using:
• Lie – direction of the baby (longitudinal or transverse)
• Presenting part – body part entering the pelvis first (usually head)
• Position – direction of the presenting part
• Attitude – flexion or extension of the head
• Station – level of the baby in the pelvis
🔹 Monitoring During Labor
Both mother and baby must be monitored during labor:
• Maternal vital signs
• Fetal heart rate
• Progress of labor
🔹 Pain Relief & Infection Prevention
During labor:
• Obstetric analgesia may be given for pain relief
• GBS (Group B Streptococcus) antibiotics are given if needed to protect the newborn
🔹 Delivery Methods
• Vaginal delivery – preferred method
• Cesarean delivery (C-section) – performed when complications occur
⚠️ Possible Complications
Even normal va**nal delivery may cause:
• Perineal tears
• Postpartum hemorrhage
• Nerve injuries
• Coccydynia (tailbone pain)
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