This Blog is about Cannabis, marijuana, weed, ganja.
Tuesday, 15 October 2019
Men’s marijuana use increases miscarriage risk for women, new research finds
By katie kindelan and dr. saumya bhutani
New research is highlighting the role men play in infertility and miscarriage.
When men smoke marijuana
once a week or more, their partners are twice as likely to experience a
miscarriage when pregnant, according to Boston University researchers
who examined over 1,400 couples before they got pregnant.
The researches asked the couples about marijuana usage over the past two
months and then followed them as they got pregnant and, in some cases,
miscarried.
The majority of men in the study did not smoke marijuana, with only 8%
smoking once a week or more. Nearly 18% of the couples in the study
reported a miscarriage.
Smoking, but less frequently than once a week, did not have an association with miscarriage rate, according to the research.
One reason for the increased risk of miscarriage with male marijuana
use, according to researchers, is that smoking marijuana may negatively
affect sperm quality and the change in sperm quality may drive the
increased occurrence of miscarriage.
The research is being presented Monday at the American Society for Reproductive Medicine Congress & Expo in Philadelphia.
"I think that’s part of the reason why this study is getting so much
attention, because we’re used to putting all the focus, all the blame,
all the stress on the women and the world of male fertility is really
exploding," Dr. Jennifer Ashton, ABC News chief medical correspondent
and a board-certified OBGYN, said Monday on "Good Morning America."
"Forty percent of couples’ infertility is due to male factors so it
bears repeating we need to focus on the men just as much as the women."
Ashton points out two red flags in the study: its findings are based on
association, not causation, so more research is needed, and there is not
yet any peer-reviewed data on the study's findings.
The lead-author of the research, Alyssa F. Harlow, MPH from Boston
University School of Public Health, told ABC News the research will be
presented for peer-reviewed publication “in the near future” where it
will be further scrutinized.
The research comes just days after researchers in China released a study that found a father's alcohol intake may actually affect a future child more than a mother's intake.
Their results, published in the European Journal of Preventive
Cardiology, revealed that the risk of heart defects in infants was 44%
higher if their fathers drank. They found that this risk was increased
by 16% for mothers who drank.
The takeaway for men is that they, like women, need to pay attention to their health prior to conception, according to Ashton.
Ashton shared on "GMA" the following four steps men can take to improve their fertility.
1. Do not smoke.
2. Minimize exposure to high temperatures like Jacuzzis, seat warmers and laptops.
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