Nausea is very common and is a normal phenomenon during pregnancy. Almost a third of pregnant women suffer from nausea and vomiting especially in the morning although it can happen at any time of the day. Nausea often starts around the first month of pregnancy and continues until the 14th or 16th week.
Some women are nauseous and vomit during the entire pregnancy. Nausea does not cause problems for the baby and it has been speculated that nausea may be a good sign the placenta is developing well. The degree of nausea is different with each pregnancy, it does not predict how you will feel in a possible next pregnancy.
Will it be a girl if you are very nauseous?
Reliable research among thousands of babies has shown that there's not any truth to this.
Your doctor will examine you, including your stomach, and will look for dehydration symptoms. He or she can ask you the following:
From angelababy In Q&A