pregnancy associated with appendicitis

例句：

1. 1.The study found that pregnancy is associated witha higher risk of developing appendicitis.
   研究发现，怀孕与患阑尾炎的风险增加有关。
2. 2. The patient's conditionwas associated with the presence of appendicitis.
   患者的病情与阑尾炎的存在有关。
3. 3. The researcher suggested that the associationbetween pregnancy and appendicitis mightbe due to changes in hormone levels duringpregnancy.
   研究者推测，妊娠与阑尾炎之间的关联可能与怀孕期间激素水平的变化有关。