1. What causes morning sickness? 2. How long can Kim expect to have symptoms related to morning sickness?
3. What vitamins can she take to reduce the symptoms?
4. Is having a low-birth-weight baby likely to occur from common morning sickness?

There’s no one cause of morning sickness during pregnancy, and severity varies among women. Increased hormone levels during the first few weeks of pregnancy is among the most common causes. Reduced blood sugar is another common cause of morning sickness.

Other factors can worsen morning sickness. These include:

having twins or triplets
excessive fatigue
emotional stress
frequent traveling
Morning sickness can vary between pregnancies. While you may have had severe morning sickness during one pregnancy, in future pregnancies it may be very mild.
had severe morning sickness during one pregnancy, in future pregnancies it may be very mild.

If you’re in the middle of this, you can probably attest to the fact that morning sickness definitely doesn’t just happen in the morning. Some people are sick all day, while others struggle in the afternoon or evening.

The term morning sickness comes from the fact that you might wake up queasier than usual after going the whole night without eating. But just 1.8 percent of pregnant women have sickness only in the morning, according to this study from 2000. Some medical professionals have started to refer to the group of symptoms as NVP, or nausea and vomiting during pregnancy.

If you’ve found yourself in the unfortunate group of people who have nausea all day, you’re not alone — and again, symptoms should let up as the first trimester concludes.

Vitamin k and vitamin c taken together may provide relief of morning sickness symptoms of some women.

Women with a severe form of morning sickness who take antihistamines to help them sleep through their debilitating nausea are significantly more likely to experience adverse pregnancy outcomes, including low birth weight babies and premature births