Researchers hope that their findings spur further research on morning sickness as many of the past studies have lacked the rigor to identify a consistently effective treatment.
In the meantime, however, there are still many ways for women to address their nausea if it becomes bothersome.
"This is an area where the advice of other mothers is almost as valuable as that of a doctor's," says Moore. "The take home message here is that there are ways to battle this, but it varies from woman to woman and even from pregnancy to pregnancy in the same woman. The trick is to find what works for you," she adds.
Whether that's saltines or herbal tea, there are certain guidelines for eating that doctors tend to recommend.
The nausea tends to hit when a woman has an empty stomach so it's best to eat smaller meals more often and to have a snack upon waking (or still in bed) in order to stave off an upset stomach.
Staying away from spicy or fatty foods or foods with pungent smells is also advised as these tend to trigger stomach problems in pregnant women, Rosser says.
But while mild to moderate morning sickness can be the hallmark of a healthy pregnancy, it's important for women to know when it's serious enough to seek medical attention, she adds.
"Dehydration is one concern if you're vomiting a lot so if you notice that your urine is golden in color or darker, this means you are dehydrated and should call your doctor. If you can't keep food down for more than 24 hours and are feeling dizzy, this is also a red flag," Rosser says.
If the morning sickness persists for weeks, or in Moore's case, months, than it's important to make sure that the woman is not losing weight or is unable to gain it, Moore says.
While she had quite an extreme case of morning sickness, it was not an issue for the pregnancy because she was still able to keep food down. Despite vomiting multiple times a day, she was still able to on 40 pounds during the pregnancy.