Does drinking coffee affect fertility?

Effects of coffee drinking on fertility

In recent years, with the accelerated pace of life and increased work pressure, coffee has become an indispensable drink in the daily life of many people. However, there are different opinions on the impact of drinking coffee on fertility. This article will explore whether drinking coffee will affect human fertility from a scientific perspective.

1. Caffeine and ovulation

First of all, we need to understand that coffee contains a substance called caffeine. Studies have shown that consuming too much caffeine may interfere with normal ovulation in women and increase the difficulty of pregnancy. This is because excessive caffeine intake can cause abnormal fluctuations in estrogen levels in the body.

A study published in the Journal of the American Medical Association showed that pregnancy rates dropped by more than 50% among women who consumed more than 300 mg (about three cups) of high-caffeine beverages (such as concentrated or instant) per day. This result suggests that excessive caffeine intake may have a negative impact on women's fertility.

2. Caffeine and sperm quality

In addition to its effects on women, caffeine may also have a certain impact on the quality of men's sperm. Studies have found that long-term and large-scale intake of caffeine can lead to a decrease in the number of active sperm in semen, an increase in abnormal morphology, and reduced sperm motility.

However, it should be noted that the current research results on the relationship between caffeine and male fertility are inconsistent. Some studies show that moderate intake (1-2 cups per day) of coffee or tea does not significantly affect male fertility; while other studies suggest that high-concentration caffeinated beverages may cause men to suffer from problems such as ovulation and testicular dysfunction.

3. Analyze specific situations

To summarize the above research results, it can be seen that whether drinking coffee has an impact on human fertility depends on individual differences and the amount of intake. For most people, moderate coffee intake will not have a significant impact on fertility.

However, for women who are trying to get pregnant or are already pregnant, it is recommended to reduce or avoid excessive caffeine intake. In addition, individual differences need to be considered. Some people may be more sensitive to caffeine, and even small doses may cause ovulation problems or decreased sperm quality.

4. Other Notes

In addition to caffeine, other ingredients and additives may also affect fertility. For example, some special types of coffee are added with milk, sugar and other substances, and drinking this type of coffee at high temperatures will produce carcinogenic acrylamide.

In addition, some surveys have found that long-term drinking of concentrated, instant and other high-concentration coffees is prone to colorectal cancer and gallstones. These health problems are closely related to fertility.

5. Conclusion

In summary, moderate coffee intake within the normal range does not have a significant effect on fertility. However, for women who are trying to get pregnant or are already pregnant, it is recommended to reduce or avoid excessive caffeine intake. In addition, individual differences also need to be considered.

The most important thing is that while pursuing delicious food, we should maintain a moderate and balanced eating habit, and pay attention to choosing healthy and harmless drinks.