From there, the umbilical cord carries the oxygen and nutrients to your unborn baby. Waste products from the baby, such as carbon dioxide, pass back along the umbilical cord to the placenta and then into your bloodstream, for your body to dispose of them.lcohol, nicotine and other drugs can also cross the placenta and can cause damage to your unborn baby. Towards the end of your pregnancy, the placenta passes antibodies from you to your baby, giving them immunity for about three months after birth. However, it only passes on antibodies that you already have.
The primary signs and symptoms of interstitial lung disease include: 1  Dry cough. 2  Shortness of breath at rest or with exertion.
Interstitial lung disease includes a group of diseases that have thickening of the supporting tissues between the air sacs of the lungs as the common factor. The interstitium is a thin layer of tissue that is normally appears as a fine lace on X-rays or imaging studies (best visualized as the appearance of a sponge).