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Doctor insights on: Does Marijuana Causes Reduce Sperm Count

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I'm currently trying to conceive and my partner smokes marijuana every day, would this cause low sperm count? Partners been smoker 10years + ?

I'm currently trying to conceive and my partner smokes marijuana every day, would this cause low sperm count? Partners been smoker 10years + ?

Generally not but...: If this were a common problem there would be far fewer babies born here in the santa cruz, ca area :) however, there is evidence that heavy marijuana use may lower sperm count somewhat and reduce the ability of sperm to fertilize eggs, but no evidence it causes "infertility" per se. But for couples experiencing fertility issues it would be wise to reduce or stop marijuana use. See comment:. ...Read more

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Sperm (Definition)

This sperm is a reproductive cell from the male that either carries a x or an y chromosome that will fertilize the egg cell from the female in order ...Read more


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Can smoking marijuana affect a males sperm count or fertility?

Can smoking marijuana affect a males sperm count or fertility?

Yes: In men it can lower testosterone hormone levels and can reduce sperm counts and quality - lower motility (swimming ability) and possibly less ability for the sperm to fertilize an egg. Heavy use is probably worse than occasional use, so it's best for him to quit if possible, or cut down if unable to quit. ...Read more

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Does marijuana affect sperm/eggs? if so in what way?

Hard to say: Your question asks for answers that are not easily obtained. It is likely it has less effect on sperm, since so many are made,their life is short and the healthiest are more successful. With the eggs,the effect may be significant, as the ones you are born with are all you ever have, Since cannabis use is illegal in most areas, studies of short or longer term use on egg quality is not available ...Read more

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Does marijuana have an effect on sperm and therefore fertility?

Does marijuana have an effect on sperm and therefore fertility?

Yes: Mild effects on sperm count, motility, and morphology, and effects on sperm dna fragmentation have been identified with mj use. Interest in sex is diminished in some. Some change in diet and nutrition is common. These effects are dose related. When trying to conceive, you are setting a foundation for your child's future. Don't use drugs or alcohol if you are trying to conceive. ...Read more

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Does heavy marijuana use over a long time lead to sterility in men? Or do sperm go back to normal when it's stopped?

Marijuana: Cannabis use suppresses secretion of testosterone in men, which may decrease libido and lead to impotence and gynecomastia. Cannabis use also causes decreased sperm count and motility. Changes in semen characteristics seen with heavy cannabis smoking may cause increased infertility. ...Read more

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Does heavy marijuana use over a long time lead to sterility in men? Or do sperm go back to normal when it's stopped?

Does heavy marijuana use over a long time lead to sterility in men? Or do sperm go back to normal when it's stopped?

Yes.: Cannabis use decreases secretion of testosterone, decreases desire for sex and leads to impotence and gynecomastia. It also decreases sperm count and motility. Changes in semen seen with heavy cannabis smoking may cause increased infertility. It is unclear if these effects are reversible. It will be best to stop now for this & other undesirable effects of abuse of marijuana. Take care & be saf ...Read more

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My bf smokes marihuana. If he came inside me and right after i went to take a drug test can his sperm slip out and affect the test?

Marijuana : You have to ingest marijuana yourself for your tests to be positive. You do not ingest marijuana by receiving semen from your boyfriend during intercourse. ...Read more

Marijuana (Definition)

Marijuana refers to the various preparations of the Cannabis plant into the psychoactive drug for recreational use ...Read more


Dr. Michael Opsahl
532 doctors shared insights

Sperm Count (Definition)

Sperm count is evaluating the density of sperm per million per ...Read more