placentotoxin

例句：

1. 1. The placenta is the organ responsible for the exchange of nutrients between mother and fetus during pregnancy.
   胎盘是负责妊娠期间母亲和胎儿之间营养物质交换的器官。
2. 2. Placentotoxins are a type of toxin that can be found in the placenta, which can causeharm to both the mother and the fetus.
   胎盘毒素是一种可以在胎盘中找到的毒素，它可能对母亲和胎儿造成伤害。
3. 3.Researchers have discovered that certain bacteria can produce placentotoxins, which can lead to miscarriage or stillbirth in pregnant women.
   研究人员发现某些细菌可以产生胎盘毒素，这可能导致孕妇流产或早产。