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研究发现，COVID-19会增加妊娠期间的死胎风险
The COVID-19 pandemic continues, threatening the lives and health of people around the world. During this period, pregnant women have been worried about the impact of the COVID-19 vaccine on the fetus and have refused to take it. But what they don’t know is that if they are unfortunately infected with COVID-19, it will not only have fatal consequences for the fetus, but even themselves.
A new study shows that pregnant women infected with delta mutant strains are at a significantly higher risk of stillbirth or death during childbirth.
On November 19, 2021, the Centers for Disease Control and Prevention (CDC) released a report examining 1.2 million pregnant women giving birth in 736 hospitals across the country from March 2020 to September 2021.
Overall, the rate of stillbirths was very low, with a total of 8,154 cases among all births. But the researchers found that for women with COVID-19, the rate of stillbirth was about 1 in 80; among those who were not infected, the rate was 1 in 155.
(Source: Internet)
The study showed that among COVID-19 patients, stillbirth was more common in those with chronic hypertension and other comorbidities, including those in intensive care or on ventilators.
"These findings underscore the importance of COVID-19 prevention strategies, including vaccination before or during pregnancy," said CDC researcher Carla DeSisto and co-author.
Currently, there is no information on how many women have received the COVID-19 vaccine. The authors pointed out that after the emergence of the highly contagious Delta variant last summer, the vaccination rate among pregnant women in the United States was only 30%.
Researchers have found that pregnant women infected with COVID-19 are more likely than others to develop severe or fatal illness, and they also face an increased risk of premature birth and other complications. Previous studies on stillbirth and COVID-19 have had mixed results, but the new report reinforces the concerns of obstetricians and anecdotal data.
Some experts speculate that COVID-19 may cause inflammation of the placenta or other abnormalities that could harm the fetus.
The researchers relied on medical records and noted that they could not determine whether COVID-19 diagnoses listed at delivery represented current or past infections.
In general, stillbirths are more common among black people, women who become pregnant over the age of 35, and women who smoke during pregnancy.
The study did not include pregnancy outcomes by race, an area the authors said they plan to investigate in future studies because COVID-19 has had a disparate impact on many racial and ethnic minority groups, making them more susceptible to illness and death.
References:
https://www.foxnews.com/health/covid-19-increases-stillbirths-during-pregnancy-research
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