Some studies have found that they offer relief, but the opinions are mixed. They can be found in most drugstores being sold to combat seasickness and might be worth a try. It does nothing for the morning sickness itself, rather it moves it to a timeframe when it is less disruptive. There are also drugs available that are perfectly safe for the fetus, to help combat morning sickness. If none of these home remedies are relieving the symptoms ask your doctor about your options.
Morning sickness can be pretty awful without being a sign of an underlying complication.
It is a sign of high progesterone levels and is associated with lower rates of spontaneous abortion.