ANSWER: (C) Dense adhesion in lower uterine segmentREF: William's obs 22nd e p- 5987Classical caesarean section is not done these days f however its done in cases where the lower segment is not approachable. Uterine incision is made on upper segment above the reflection of uterovesical fold of peritoneum.Indications of classical caesarean sectionI Where lower segment approach is difficultDense adhesion due to previous operationsSeverely contracted pelvis ( osteomalcic or rachitic)Where lower segment approach is riskyBig fibroid in lower segmentCa cervixRepair is difficult and high vesico vaginal fistulaSevere degree of placenta previa with engorged vesselsPost mortem contemplating to have a live baby