There is general agreement that pregnant women and women trying to get pregnant should avoid consuming caffeine but after decades of controversy and conflicting evidence, there is still consensus (agreement by experts) about how much caffeine is safe to consume during pregnancy. Experts advise women to limit their caffeine intake to less than 200 milligrams per day, which is about a 12-ounce cup of coffee. A study found that women who consumed 200 mg or more of caffeine a day had twice the risk of miscarriage than those who did not consume caffeine.
However, not all studies have shown a link between caffeine consumption and a higher risk of miscarriage. As a study in Denmark reported by babycenter.com found the risk of a baby dying after a few hours of birth was more than double in women who consumed eight cups of coffee per day compared to other women. Other studies have shown that newborns with a history of their mothers consuming more than 500 mg of caffeine a day have faster heart rates and breathing rates and spend more time awake in the first few days of birth. Several studies have shown an association between high caffeine consumption and slight weight loss at birth, although other studies have shown a link.
You will feel better if you don’t consume a lot of caffeine. It’s a stimulant, so it increases your heart rate. Moreover, it can make you feel restless and cause insomnia. Caffeine can also contribute to heartburn (a burning sensation in the stomach) by stimulating gastric acid secretion. This effect will be more pronounced when entering pregnancy first trimester because your body’s ability to break down caffeine slows down, so you end up with higher levels in your bloodstream. During second trimester, it takes almost twice as long to clear caffeine from your body as it would when you were not pregnant.
During third trimester, it takes nearly three times as long. This can affect the amount of caffeine that crosses the placenta and reaches your baby, which it can’t process efficiently. Drinks that contain caffeine have compounds called phenols which make it harder for your body to absorb iron. Though iron is very important for pregnant women, because many pregnant women are already low in iron. If you are going to consume caffeinated drinks like tea and coffee it is preferable between meals so that they will have less of an effect on iron absorption. The amount of caffeine in a serving of coffee varies, depending on the type of coffee brewing process and also the amount used to brew the coffee (espresso contains more caffeine per ounce, served in small cups, so a full cup of brewed coffee will provide more caffeine).
For those of you who are pregnant avoid the habit of consuming caffeine such as coffee and tea which is difficult, you can reduce it by simply consuming one cup per day. You can also mix coffee with milk, and reduce the amount of coffee. At home, try to use less ground coffee (or tea leaves) when brewing. Although herbal teas often lack caffeine, be sure to read the ingredient list first, as certain herbs and additives may not be safe during pregnancy, so consultation with a doctor is warranted.