American pregnancy female cannabis cannabis has doubled, and the doctor warns or causes abnormal fetal development

According to the Associated Press, according to a US government research, the number of women who use marijuana during pregnancy doubled in the United States. The report said that among women in the first three months of pregnancy.This result was reportedly based on a health survey of nearly 500,000 American women.

According to reports, as more and more states in the United States legalize the hemps of medical or entertainment, according to the 2016-2017 national health survey, about 7%of pregnant women (one of 14 people) said that they were in the past in the past.I have used marijuana in one month.A survey from 2002-2003 showed that the proportion of pregnant women was only a little more than 3%.According to the report, some Canadian studies have shown that the use of marijuana during pregnancy will increase the chance of lack of premature birth and newborns.

Dr. Nora Volkow, director of the National Institute on Drug Abuse, said animal studies have shown that the use of high doses of cannabis in early pregnancy will affect the fetal brain development of the fetus, butIt is unclear whether it will cause similar risks to humans.Volkov, one of the authors of the research report."It is not worthy of adventure during pregnancy," she said."Because we don’t know how harmful it is, it is better to be more cautious."

The study was reportedly published at a medical conference on Tuesday and published on the online version of the Journal of the American Medical Association.In the report, Wolkov said that although few women said that doctors recommend marijuana, many women may have started using marijuana before they learn that they have been pregnant, or use it to relieve morning vomiting.Among women who are not pregnant, the proportion of cannabis rose from nearly 7%to nearly 12%, that is, 1 of about 8 people suck cannabis.

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