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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In classical caesarean section more chances of rupture of uterus is in:
assistant
The correct answer is  Upper uterine segment is at more risk of rupture in case of a previous classical cesarean section. Here incision is made on the anterior uterine wall in the upper segment above the reflection of uterovesical fold of peritoneum. It is because such a scar is difficult to appose and healing is not good because of frequent contractions and retraction during puerperium. (Sheila TB of obstetrics 2nd edtn pg 338)