The loss of a child through "sudden infant death syndrome," also known as SIDS or crib death—the sudden and ＿＿（37）＿＿ death of an apparently healthy, sleeping infant—is an especially 38 experience. Parents often develop feelings of guilt and ＿＿（39）＿＿ , thinking that they somehow caused the child's death. To ＿＿（40）＿＿ such feelings, organizations have been established to help parents accept the fact that they did not cause the death.