Caffeine and Fertility

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Can consuming caffeine have an effect upon your ability to conceive? Studies have shown that it’s possible. In light of the evidence to date, it may be wise to cut back on or eliminate caffeine if you’re trying to get pregnant.

One clinical trial examined how much caffeine women drank per day, and compared heavy caffeine drinkers to more moderate imbibers with regard to success conceiving. The study found that women who consumed 300mg or more of caffeine a day were 27 percent less likely to conceive than women who didn’t drink caffeine at all. Another study, from Spain’s Alicante University, said 300mg didn’t affect fertility, but 500mg did.

Another study, conducted at the Johns Hopkins Bloomberg School of Public Health, revealed that heavy caffeine consumption can result in women’s taking longer to conceive. After one year of trying to get pregnant, heavy caffeine consumers were three times more likely not to have conceived.

Other studies, however, haven’t demonstrated a link between caffeine ingestion and fertility.

Most doctors advise patients who are trying to conceive to consume less than 300mg of the substance a day. Until evidence proves otherwise, doctors currently say it’s OK to ingest a moderate amount of caffeine when you’re attempting to get pregnant – they don’t believe it hurts your chances of conceiving.

Studies do indicate, however, that a woman’s risk of miscarriage is heightened if she drinks more than 200mg of caffeine a day while she’s pregnant.

It’s important to count all your sources of caffeine when determining how much you consume a day. Chocolate, cola, and, of course, coffee all contain caffeine. Decaf coffee and tea contain about a tenth of the caffeine of their “regular” versions. The Johns Hopkins study measured 300mg of caffeine in these ways: roughly two eight-ounce cups of coffee – the brewed kind; four eight-ounce cups of tea; nine caffeinated sodas; or 15 oz of dark chocolate.


 
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