Morning Sickness News and Research

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Morning sickness, also called nausea gravidarum, nausea, vomiting of pregnancy (emesis gravidarum or NVP), or pregnancy sickness is a condition that affects more than half of all pregnant women, as well as some women who use hormonal contraception or hormone replacement therapy. Usually, it is present in the early hours of the morning and reduces as the day progresses. The nausea can be mild or induce actual vomiting. In extreme cases, vomiting may be severe enough to cause dehydration, weight loss, alkalosis and hypokalemia.

Can a fetus be an employee? States are testing the boundaries of personhood after ‘Dobbs’

Kaitlyn Anderson was six months pregnant when a driver killed her and a Missouri Department of Transportation colleague in 2021 while they were doing roadwork near St. Louis. Her fetus also died.

5 May 2023

In utero exposure to anti-nausea drug shown to increase risk of adult-onset colorectal cancer

Prenatal exposure to an anti-nausea drug commonly used in the 1960s and 1970s has been shown to increase risk of colorectal cancer in adult offspring, according to a study by researchers at UTHealth Houston.

10 Mar 2023

The relationship between nutrient intake and time in bed in the second and third trimesters of pregnancy

Researchers evaluated the association between the time in bed and difficulty sleeping with nutrient intake during the second trimester and the third trimester of gestation.

28 Feb 2023

Decisions by CVS and Optum panicked thousands of their sickest patients

The fear started when a few patients saw their nurses and dietitians posting job searches on LinkedIn.

7 Feb 2023

Pregnant smokers reduce their smoking prior to pregnancy awareness, study finds

Pregnant smokers reduced their smoking by an average of one cigarette per day before becoming aware they were pregnant, reports a new Northwestern Medicine study of more than 400 pregnant people.

17 Oct 2022

Addition of left-handed chiral gold nanoparticles can enhance vaccine efficacy by more than 25%

Vaccines can be made over 25% more effective by adding left-handed chiral gold nanoparticles as adjuvants, according to a study by an international collaboration in which Brazilian researchers took part. An article reporting the results is published in Nature.

18 Apr 2022

Pregnant women in South-East Asia more likely to use smokeless tobacco

Pregnant women in South-East Asia are more likely to use chewing or other kinds of smokeless tobacco than non-pregnant women of reproductive age, according to a study.

27 Jul 2021

Prenatal THC and CBD exposure impairs offspring's ability to respond to fluoxetine

Scientists at Indiana University have found that significant amounts of the two main components of cannabis, THC and CBD, enter the embryonic brain of mice in utero and impair the mice's ability as adults to respond to fluoxetine, a drug commonly used to treat anxiety and depression and known by the brand name Prozac.

1 Jul 2021

Pandemic highlights need for urgent care clinics for women

Last spring, only weeks into the pandemic, Christina Garcia was spending her days struggling to help her two young sons adjust to online schooling when she got such a heavy, painful period she could barely stand. After a few days, her vision began to blur and she found herself too weak to open a jar.

16 Apr 2021

Benjamin L. Ebert receives Sjöberg Prize for breakthrough research on blood cancer

Benjamin L. Ebert, USA, receives this year's Sjöberg Prize, worth one million US dollars, for his research into how lenalidomide works as a treatment for blood cancer.

15 Feb 2021

Study: Nausea and vomiting symptoms during pregnancy start within a three day timeframe

Researchers from the University of Warwick have narrowed the time frame that nausea and vomiting during pregnancy will potentially start to just three days for most women, opening up the possibility for scientists to identify a biological cause for the condition.

12 Jan 2021

Severe morning sickness raises depression risk

Severe morning sickness increases the risk of depression both during and after pregnancy, new research has found.

13 Oct 2020

Researchers investigate molecular mechanism responsible for hypnotic effects of thalidomide

Thalidomide is a medication with several different effects, one of which is promoting sleep in the context of insomnia.

24 Sep 2020

Maternal cannabis use in pregnancy linked to increased risk of autism in children

In the largest study of its kind, Ottawa researchers found that children whose mothers reported using cannabis during pregnancy were at greater risk of autism.

10 Aug 2020

Study links prenatal cannabis use with risk of sleep problems in children

Use marijuana while pregnant, and your child is more likely to suffer sleep problems as much as a decade later, according to a new University of Colorado Boulder study of nearly 12,000 youth.

2 Jul 2020

Morning sickness should be described as nausea and sickness, argue researchers

The term 'morning sickness' is misleading and should instead be described as nausea and sickness in pregnancy, argue researchers led by the University of Warwick who have demonstrated that these symptoms can occur at any time of the day - not just the morning.

30 Jun 2020

New method uses human embryonic stem cells to generate 3D assembly of cells

Scientists from the University of Cambridge, in collaboration with the Hubrecht Institute in The Netherlands, have developed a new model to study an early stage of human development, using human embryonic stem cells.

11 Jun 2020

Conceived through ‘fertility fraud,’ she now needs fertility treatment

When Heather Woock was in her late 20s, she started researching her family history. As part of the project, she spit into a tube and sent it to Ancestry, a consumer DNA testing service. Then, in 2017, she started getting messages about the results from people who said they could be half siblings.

28 Jan 2020

Cannabis exposure during pregnancy has measurable impact on placental and fetal growth

A new study from researchers at Western University and Queen's University definitively shows that regular exposure to THC, the main psychoactive ingredient in cannabis, during pregnancy has significant impact on placental and fetal development.

17 Jan 2020

Drug may improve the safety of cannabis use in early pregnancy

Cannabis use during pregnancy may increase the risk of psychosis in children. Scientists have now found a drug that can reduce the effects of THC on the fetus.

16 Oct 2019