Pops can cause cancers and birth defects and take a long time to degrade.

持久性有机污染物(Pops)会导致癌症和出生缺陷，而且降解速度非常缓慢。

youdao

There are many cases of birth defects and cancer in the families of farmworkers.

农业工人的家庭里有很多先天性缺陷的人，也有很多人患了癌症。

youdao

However, there is also evidence tying them to birth defects and reduced birth weight.

但是也有证明说会导致先天性缺陷病并降低新生儿体重。

youdao

Cleft palate and cleft lip are two of the most common birth defects in human beings.

VOA: special.2009.12.22

Risk factors for epilepsy such as birth defects and poor nutrition are known to be more common among deprived groups.

BBC: Brain image

About 20, 000 pregnancies each year are affected by diabetes and, therefore, carry higher risk of miscarriage, birth defects and still birth.

BBC: NEWS | Health | Alcohol ban advised for pregnancy

It's issues like these -- prenatal alcohol exposure for example -- that have led to birth defects and illnesses in many children.

CNN: 26 years on: helping Chernobyl's children