Amnio -

In late pregnancy, it can be tested for surfactant levels to assess if the baby's lungs are developed enough for delivery.

Testing fetal cells for chromosomal abnormalities like Down syndrome or cystic fibrosis. In late pregnancy, it can be tested for

Becomes a mixture of fetal urine, lung secretions, and exfoliated fetal cells. In late pregnancy

According to WebMD , the fluid is dynamic and changes as the pregnancy progresses: In late pregnancy, it can be tested for

Medical providers analyze this fluid during an procedure (typically between weeks 15 and 20) to check for: