Many pregnant women turn to coffee as a way to help them cope with the demands of pregnancy. But a new study suggests that drinking two cups of coffee during pregnancy may have negative effects on the height of babies.

What the study found

The study, which was conducted by researchers at London’s University College, analyzed the effects of maternal caffeine intake on the height of babies from birth to age eight.

The study found that women who drank more than two cups of coffee per day during pregnancy had babies that were, on average, 0.4 inches shorter at age eight than babies born to women who drank less coffee.

While this difference in height may seem small, it is significant. The study’s lead author, Dr. Mark Hanson, stated, “We know from other studies that even small differences in height can have a big impact on health outcomes.

It’s important for women to understand the potential risks associated with high caffeine intake during pregnancy.”.

Why coffee may affect fetal growth

The researchers believe that caffeine may interfere with fetal growth by reducing blood flow to the placenta. This can limit the amount of oxygen and nutrients that reach the developing fetus, affecting its growth and development.

Caffeine can also pass through the placenta and directly affect the fetal hormones that regulate growth. “These effects could lead to sub-optimal fetal growth and development,” Dr. Hanson said.

How much caffeine is safe during pregnancy?

The findings of this study suggest that pregnant women should limit their coffee intake to less than two cups per day.

However, it’s important to note that there is no one-size-fits-all recommendation for how much caffeine is safe during pregnancy.

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The American College of Obstetricians and Gynecologists recommends that pregnant women consume no more than 200 milligrams of caffeine per day, which is roughly equivalent to one 12-ounce cup of coffee.

However, some studies suggest that even moderate amounts of caffeine can have negative effects on fetal development.

It’s important for pregnant women to talk to their healthcare providers about how much caffeine is safe for them.

Factors such as pre-existing medical conditions, medication use, and individual tolerance to caffeine can all affect how much caffeine is safe during pregnancy.

Other sources of caffeine to watch out for

Coffee is not the only source of caffeine that pregnant women need to be aware of. Many teas and soft drinks also contain caffeine, as well as some over-the-counter medications and supplements.

It’s important to read labels carefully and avoid products that contain excessive amounts of caffeine.

Some energy drinks, for example, can contain as much as 500 milligrams of caffeine per serving – far more than the recommended limit for pregnant women.

The bottom line

While coffee can be a helpful way for pregnant women to cope with fatigue and other pregnancy-related symptoms, it’s important to limit caffeine intake to protect fetal growth and development.

Pregnant women should aim to consume no more than two cups of coffee per day, and should talk to their healthcare providers about how much caffeine is safe for them.