How do doctors know if the unborn baby has breathing problems?

Breathing problems will not become apparent until the infant does in fact start to breathe air. Prenatal ultrasound can detect some structural heart problems in the unborn child, and some of these may secondarily affect the lungs and/or cause respiratory problems in their own right.

Continue Learning about Fetal Development Basics & Pregnancy

Fetal Development Basics & Pregnancy

At 4 weeks, the cells of the fetus are specializing into a nervous system, hair, organs, and skin. At 12 weeks, the fetus is around 2 _ inches in size and makes movement on its own. At 20 weeks, the nervous systems functions, sex ...

can be determined, and you will feel your baby move. At 28 weeks, the fetus weighs over 2 pounds and if born prematurely, would most likely be able to survive. At 32 weeks, the baby weighs 4 pounds and fat layers begin to develop under its skin. At 36 weeks, the lungs are almost fully developed and brain function is developing rapidly. At 37 weeks, a term pregnancy can be made.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.