CHICAGO — U.S. women are increasingly utilizing marijuana during pregnancy, typically to deal with morning illness, new stories recommend. Though the precise numbers are small, the development raises considerations due to proof linking the drug with low delivery weights and different issues.
In 2014, virtually four % of pregnant women stated they’d just lately used marijuana, up from 2.four % in 2002, based on an evaluation of annual drug use surveys.
Dr. Nora Volkow, director of the National Institute on Drug Abuse, stated the outcomes increase considerations and urged docs and different health care suppliers to keep away from recommending the drug for pregnant women. Volkow commented in an editorial revealed on-line this week with the research within the Journal of the American Medical Association.
A separate research in the identical journal discovered that nearly 10 % of grownup marijuana customers within the United States — three million individuals — have used it at the least partly for medical causes; 20 % of those customers reside in states the place medical marijuana is not authorized.
Volkow famous that legal guidelines legalizing medical marijuana in 29 states and Washington, D.C. don’t record pregnancy-related circumstances amongst allowed makes use of. But the legal guidelines additionally do not prohibit that use and do not embrace warnings about potential harms to the fetus, she stated.
Strong proof of harms is restricted, however in addition to low delivery weights, newborns whose moms used marijuana whereas pregnant might face elevated dangers for anemia and different issues requiring intensive care. Memory and consideration issues additionally been present in older youngsters whose mothers used marijuana in pregnancy, Volkow famous.
How marijuana may result in these issues is unclear however Volkow stated one concept is that it’d intrude with formation of nerve cells and circuits within the mind during fetal improvement.
The American College of Obstetricians and Gynecologists discourages marijuana use by women who’re pregnant or breastfeeding.
Both research analyzed knowledge from annual U.S. authorities surveys on drug use which might be based mostly on members’ self-reporting.
One targeted on 200,510 women of reproductive age who participated within the 2002-2014 surveys. Recent use — inside the previous month — amongst non-pregnant women additionally elevated over these years, from about 6 % to 9 %, researchers from Columbia University Medical Center reported.
Get recommendations on free stuff and enjoyable concepts delivered weekly to your inbox
Doctors “should screen and counsel pregnant women and women contemplating pregnancy about prenatal marijuana use,” the researchers stated.
The different research, led by the drug company’s Dr. Wilson Compton, targeted on past-year marijuana use by almost 100,000 adults aged 18 and up who participated within the 2013-14 drug survey.
About 13 % stated that they had used marijuana; that interprets to about 30 million adults. Overall, 90 % used it for nonmedical causes solely and 6 % used it just for medical causes.
Prevalence of medical use was larger in states the place that use is authorized, however the researchers say the outcomes recommend some docs in different states might not really feel sure by restrictions.