Pure forms of carbon. Carbon is everywhere: it forms rocks, plants, animals (proteins, DNA, etc), plastics, etc. Those usually contain carbon as well as other atoms, like nitrogen, oxygen and hydrogen among others. There are some materials, however, that contain only carbon.
The Healthy Pregnancy Book: Month by Month, Everything You Need to Know from America's Baby Experts (Sears Parenting Library) Paperback â September 24, 2013. Find all the books, read about the author, and more.
Preventing Birth Defects. Many birth defects can happen early in pregnancy, sometimes before a woman knows she is pregnant. Not all birth defects can be prevented, but you can increase your chance of having a healthy baby. Below are some tips and resources on how you can get ready for and have a healthy pregnancy and baby. 1  Take a vitamin with 400 micrograms of folic acid every day.