I am pregnant and I haven't been really eatting. What should I do?

KEEP DRINKING. Some pregnant women in early pregancy get nauseated and can not keep eat. Most people as long as they drink plenty of liquids are ok and eventually start eating. If it persists see you doctor to make sure nothing else is going on.
Pregnant not eating. You did not mention how far you are in your pregnancy.Early in first trimester you can have feeling of nausea and vomoting and that can cause lack of appetite due to fear of vomiting.But beyond that if you are not eating and eating properly can affect the pregnancy.You need to take prenatal vitamins and talk to your obstretritian at next prenatal visit and get checked, .