Compared to a single pregnancy, twin pregnancies are slightly more at risk for complications such as preeclampsia and gestational diabetes. In other words, twins in the womb need extra attention, because the conditions of pregnancy experienced can be different from a single pregnancy. Having twins in the womb does not need to be addressed with panic. However, prospective parents must prepare information about twin pregnancy. This is intended to be able to anticipate any changes during pregnancy, and undergo pregnancy smoothly until delivery arrives. Conditions that May Occur When Pregnant Twins Nausea and vomiting are more severe When you have twins in the womb, you may experience more nausea and vomiting in the first trimester compared to a single pregnancy. This is likely due to higher levels of the human chorionic gonadotropin (HCG) hormone. But don't worry, because the periods of nausea and vomiting are usually no longer than a single pregnancy, which is around 3-4 m