TL;DR Some studies show that ingesting caffeine during pregnancy can cause harm to the baby, while others weren't able to establish a direct link between caffeine and adverse effects like a miscarriage. While the jury's still out on this one, there are precautions to take and key things to remember when consuming caffeine while on the way.
Pregnant ladies may be going through A LOT of changes (such an understatement, we know).
This is probably true not just with their body (physical and physiological), but also in their diet. There’s a lot of foods and beverages to avoid during pregnancy, which is a tall order for a lot of people! 
And for many, quitting caffeine is the toughest.
But is getting a caffeine fix really bad for pregnant women?
We’re going to try to answer this million-dollar question by putting together the various research and studies we’ve found on the topic and try to help you ladies come up with not just an answer, but a solution.
While research and studies on the topic are conducted quite exhaustively, they're also widely conflicting.
Some studies say that caffeine is not at all good for mum and the bub, as it results in these adverse effects:
Having a bun in the oven slows down the body’s ability to break down caffeine, so higher levels of caffeine stay longer in the bloodstream. The farther along you are, the longer caffeine stays in your system, and the more intense its effects are in your body. 
Because of this, the caffeine stays longer in the baby’s system, resulting in the following:
A woman is more likely to miscarry if she and her partner drink more than two caffeinated beverages a day on the weeks leading up to conception.
Similarly, women who drank more than two daily caffeinated beverages during the first seven weeks of pregnancy were also more likely to miscarry. 
"We know that caffeine affects the neurotransmitters that affect the brain, and we know that anything that happens during the fetal period will be amplified and could be long-lasting," Dr Li said. 
But some studies beg to differ …
While the above studies emphasize the adverse effects in consuming caffeine during pregnancy, some reports seem to say "not really":
It’s all inconclusive!
“[T]he evidence for an effect of caffeine on reproductive health and fetal development is limited by the inability to rule out plausible alternative explanations for the observed associations.” 
She says that all this talk about pregnant women not allowed to have their caffeine fix may be due to cultural norms and cognitive biases more than scientific evidence itself.
“We expect mothers to be completely self-sacrificing for the sake of their children,” she explains. “This performance of maternal sacrifice during pregnancy—whether in the form of giving up caffeine, or alcohol, or some other form of abnegation—is expected of pregnant women today not only as a route to better fetal health, but as a means of demonstrating their moral fitness to become mothers.”
The American Pregnancy Association suggests that it's better to be safe than sorry:
“Due to conflicting conclusions from numerous studies, the March of Dimes states that until more conclusive studies are done, pregnant women should limit caffeine intake to less than 200 mg per day. This is equal to about one 12 oz cup of coffee.”
However, the latest amount that’s considered safe for pregnant women is 300 mg caffeine a day, based on a 2017 study. 
It all boils down to knowing the caffeine content, especially since caffeine is not only found in coffee but in many different products as well.
Here’s an infographic from The Bump that shows the amount of caffeine found in different products: 
If you must quit caffeine (and feel like it’s going to be an ordeal), remember that you don’t have to do it cold turkey. Here are some tips that can help you steer clear from caffeine (at least for now):
Our advice is pretty simple. When in doubt, consult your doctor or healthcare professional to find out the effects of caffeine in your own specific situation.
Or you can just err on the side of caution and ease off on caffeine altogether.
Remember, you can always go back to your favorite café after this wonderful journey!
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Caffeine is known to bring a great deal of health benefits day in and day out. From helping you get clear, misty-looking skin, carry a sprightly vibe throughout the day, or win the gold in your favorite sport, caffeine just keeps winning the java-lover in you.
But it’s not all rainbows and butterflies. Sometimes, having one too many cups of joe leads to unwanted side effects, turning a regular caffeine hit into a love-hate relationship.
Upset tummy is perhaps one of the *supposedly* negative effects of being too caffeine-happy. Hear a growling tummy or feel a nagging pain in the stomach? Must be your fourth cup of coffee, right?
But is caffeine really to blame?
Sleep before exams can be elusive.
Losing sleep is frustrating, tiring and can seem like the end of the world to a young scholar who wants to do the best possible on an exam.
But according to the University of Cincinnati Health, if you miss a night or two of sleep, most people can still function well. Even though it may seem disastrous if you don’t get to sleep the night before a test, all may not be lost.
Caffeine keeps you alert, enhances concentration, and alleviates fatigue— so it would only be good to drink copious volumes of caffeinated beverages before an exam in school, right?
Maybe, maybe not.
In this article, we’ll find out what to do pre-exams, caffeine-wise.