Helminth worm infections can give the mothers symptoms such as mild anemia or stomach pain and vomiting .

蛔虫感染能让妈妈们患上一些症状，比如轻度贫血，胃疼，呕吐。

Now a new study supports the hygiene hypothesis : infants in uganda had a lower chance of developing the skin allergy condition eczema if their moms had helminth worm infections while pregnant .

现在，一个新的研究支持了这个卫生学假说：乌干达的婴儿很少有机会患上湿疹这种皮肤过敏症，前提是他们母亲在怀孕期间肚子里面有蛔虫。

The prevailing conditions in activated sludge may even promote the hatching of some helminth eggs .

在活性污泥中，适宜的条件甚至可能刺激一些蠕虫卵的孵化。

Vermicompost does not contain pathogenic microflora , helminth eggs , weed seeds and heavy metals .

蚯蚓粪不含有致病微生物，寄生虫卵，杂草种子和重金属。