O30-O48: Maternal care related to the fetus and amniotic cavity and possible delivery problems

O40: Polyhydramnios

When the pregnancy begins, the amniotic sac containing the amniotic fluid develops in the womb. The amniotic sac surrounds the child.

You can have too much amniotic fluid for a variety of reasons. The reasons include diabetes, malformations of the child or multiple pregnancies.