Common morning sickness symptoms

Common morning sickness symptoms

Don't be surprised if you experience morning sickness during your pregnancy. Morning sickness can affect up to 85% of pregnant women. Symptoms typically start around the 4th week to 6th week of pregnancy and peak at 9 weeks.1 In approximately 90% of cases, it stops by the 16th week. Approximately 10% of cases last beyond the 16th week with some women experiencing NVP through the entire pregnancy.2

Here are common symptoms you may experience with morning sickness.

  • Feelings of nausea and/or the need to vomit: Nausea can be triggered by certain smells; vomiting should be monitored so you don't become dehydrated
  • Greater sensitivity to odors: The smell of food, perfumes, or cigarette smoke can lead to you experiencing waves of nausea
  • Bitter, metallic, or sour taste in the mouth: Hormones, particularly estrogen, play a role in controlling the sense of taste. During pregnancy your hormone levels fluctuate and can cause your sense of taste to vary or change
  • Fatigue: Nausea and vomiting can cause you to lose a lot of energy and leave you with a constant feeling of being tired

If you or a family member or friend is suffering from morning sickness, please visit the Knowledge Center and How to Cope sections for tips, advice, and information from experienced moms and notable medical professionals.


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  1. Niebyl JR. Clinical practice. Nausea and vomiting in pregnancy. N Engl J Med. 2010;363(16):1544-1550.
  2. Gadsby R, Barnie-Adshed AM, Jagger C. A prospective study of nausea and vomiting during pregnancy. Br J Gen Pract. 1993;43:245-248.

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What does NVP stand for?

NVP is a medical condition called nausea and vomiting of pregnancy.

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Talk to your healthcare professional about your morning sickness symptoms and options that are safe for you and your baby.