Becomes a mixture of fetal urine, lung secretions, and exfoliated fetal cells.
Checking for the presence of harmful bacteria or viruses in cases of suspected intrauterine infection. The Procedure at a Glance Becomes a mixture of fetal urine, lung secretions,
In late pregnancy, it can be tested for surfactant levels to assess if the baby's lungs are developed enough for delivery. Becomes a mixture of fetal urine