“…Synthetic oxytocin in the form of Syntocinon should not cause arterial or venous occlusion, but when mixed with ergometrine in the form of Syntometrine, or when ergometrine alone is administered, either may cause arterial vasospasm, which on rare occasions might be expected to contribute to bowel inf arcti on.2 4 Clarification of these points would be of value. Synthetic oxytocin in the form of Syntocinon should not cause arterial or venous occlusion, but when mixed with ergometrine in the form of Syntometrine, or when ergometrine alone is administered, either may cause arterial vasospasm, which on rare occasions might be expected to contribute to bowel inf arcti on.2 4 Clarification of these points would be of value.…”