ABC of major trauma. Trauma in pregnancy.

\T ~38 < AJ In the first trimester of pregnancy the uterus is a thick walled structure 36 that is protected against injury by the pelvis. As the uterus enlarges to 32 become an intra-abdominal organ it becomes progressively more vulnerable 28 to injury. In the second trimester the fetus is cushioned by a large volume of 'l/ r22 X 0 ,' \ amniotic fluid, but by the end of the third trimester the uterus is thin } ' \ K16 0 | .' \ walled, offering little protection to the fetus.