after completion of surgery, bilateral ultrasound-guided TAP block was performed .

Description of the intervention: a 12-4-MHz linear array transducer (ClearVue 350; Philips, Bothell, WA) placed transversely between the iliac crest and costal margin in the anterior axillary line and slid medial-lateral to visualize the external oblique, internal oblique, and trans-versus abdominis muscles; the most lateral (posterior) position obtaining a satisfactory ultrasound image was used ;A 22-gauge spinal needle was introduced from medial to lateral in-plane to the ultrasound probe, and 20 mL of bupivacaine 0.25% was injected under visualization in the plane between the transversus abdominis muscle and the fascia deep to the internal oblique muscle on each side.

at the end of surgery, 40 mL of bupivacaine 0.25% was injected subcutaneously in the surgical wound (20 mL in each of the upper and lower sides) by the obstetrician before skin closure.

routine analgesic was administered and recorded .

bilateral ultrasound-guided TAP block was performed using a 12-4-MHz linear array transducer (ClearVue 350; Philips, Bothell, WA) placed transversely between the iliac crest and costal margin in the anterior axillary line and slid medial-lateral to visualize the external oblique, internal oblique, and trans-versus abdominis muscles; the most lateral (posterior) position obtaining a satisfactory ultrasound image was used

using an Visual analogue scale (VAS) scores for pain intensity reported on 0-10 point scale for analysis. (0 = no pain and 10 = the worst possible pain) .

cumulative opioid consumption

using an Visual analogue scale (VAS) scores for pain intensity reported on 0-10 point scale for analysis. (0 = no pain and 10 = the worst possible pain) .