Can Pregnant Women Safely Continue Taking Fish Oil Until Delivery? - Obstetrics and Gynecology

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Prenatal Care


Hello Doctor: I am currently 33 weeks pregnant.
Can I continue taking fish oil until delivery? (EPA 180 mg, DHA 120 mg) I take 2 capsules a day.
I have come across various articles with conflicting opinions; some say it may affect coagulation, while others say it does not.
I would like to seek your professional advice.
Thank you!

A Ya, 30~39 year old female. Ask Date: 2021/02/18

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it generally does not have an impact.
Wishing you good health.

Reply Date: 2021/02/18

More Info


When it comes to the consumption of fish oil during pregnancy, it is essential to consider both the benefits and potential risks associated with its intake. Fish oil is rich in omega-3 fatty acids, particularly EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), which are known to support fetal brain development and overall health. However, the safety of continued use, especially as pregnancy progresses, can be a topic of concern among expectant mothers.

In your case, at 33 weeks pregnant, you are asking whether it is safe to continue taking fish oil until delivery, specifically with a formulation containing 180 mg of EPA and 120 mg of DHA per capsule, and your intention to take two capsules daily. The general consensus among healthcare professionals is that moderate consumption of fish oil is safe during pregnancy, especially when it is specifically formulated for pregnant women. The key is to ensure that the EPA and DHA levels are within recommended limits.

The concern regarding fish oil primarily revolves around the EPA content, as it has anticoagulant properties that could potentially affect blood clotting. Some studies suggest that high doses of EPA may increase the risk of bleeding during labor. However, the amounts typically found in over-the-counter fish oil supplements, especially those designed for pregnant women, are generally considered safe. Your current dosage of EPA and DHA is within a reasonable range, and many healthcare providers would not recommend discontinuing fish oil unless there are specific medical concerns.

It is also important to note that the benefits of omega-3 fatty acids during pregnancy, such as reducing the risk of preterm birth and supporting fetal brain development, often outweigh the potential risks associated with their intake. The American Pregnancy Association and other health organizations recommend that pregnant women consume at least 200 mg of DHA daily, which can be achieved through diet and supplementation.

If you have any underlying health conditions or are taking other medications, it is crucial to discuss your fish oil intake with your healthcare provider. They can provide personalized advice based on your medical history and current health status. Additionally, regular prenatal check-ups will help monitor your health and the development of your baby, allowing for any necessary adjustments to your supplementation.

In summary, continuing to take fish oil until delivery is generally considered safe for most pregnant women, especially at the dosages you mentioned. However, it is always best to consult with your healthcare provider to ensure that your specific situation is taken into account. They can help you weigh the benefits against any potential risks and provide guidance tailored to your health needs. Remember to maintain a balanced diet rich in omega-3 sources, such as fatty fish, nuts, and seeds, to support your health and your baby's development during this crucial time.

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