What causes extreme morning sickness? What we know, don't know and suspect about hyperemesis gravidarum
Most women experience some nausea and vomiting in early pregnancy.
Jan 13, 2026
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Hormones: News and Research on Chorionic Gonadotropin
MeSH tree: D06.472.699.322.326
PFAS mixture disrupts normal placental development, which is important for a healthy pregnancy
Per- and polyfluoroalkyl substances (PFAS) are a group of nearly 10,000 long-lasting chemical compounds that stay in the environment and have been linked to adverse health effects on humans, including pregnant women and their ...
Dec 4, 2025
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Wearable devices could transform pregnancy monitoring and detect abnormalities
A simple fitness tracker might hold the key to revolutionizing maternal health care. Scientists at Scripps Research have found preliminary evidence suggesting that common wearable devices such as the Apple Watch, Garmin and ...
Sep 12, 2025
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Dispelling severe morning sickness myths: It's not normal or harmless, but prevention and treatment might be on the way
Late 2023, geneticist Marlena Fejzo and colleagues made the discovery that morning sickness's most serious presentation, hyperemesis gravidarum (HG), is caused by the hormone GDF15, not human chorionic gonadotropin as previously ...
May 22, 2024
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A brief history of pregnancy tests: From toads and rabbits to rosewater
Today, knowing if you are pregnant is usually straightforward—you pee on a stick and then wait for the lines to appear. Tests for women to use themselves at home were first marketed in the 1960s. They work by detecting the ...
Aug 23, 2023
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How COVID-19 crosses the placenta: Study uses lab-grown placental tissue to model infection
In a study published in Nature Cell Biology, Australian researchers, led by Professor Jose Polo from Monash University and the University of Adelaide and University of Melbourne's Professor Kanta Subbarao from the Peter Doherty ...
Jul 13, 2023
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PMS: What it is, symptoms, and how to get relief
Are you tired of feeling moody, bloated and achy every month right before you get your period?
May 31, 2023
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In rare cases, COVID-19 in pregnancy could harm the fetal brain
It's highly unlikely, but COVID-19 can be transmitted from mother to baby through the placenta, causing injury to the developing fetus' brain, a new study finds.
Apr 7, 2023
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Pregnancy could curb desire to smoke before it is suspected or recognized
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. Then, in the month after ...
Oct 17, 2022
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