Pregnancy and Flaxseed Oil
During pregnancy, flaxseed oil should not be consumed in high doses. Taking too much flaxseed oil could theoretically increase the risk of bleeding. Although little research has been conducted on flaxseed oil and pregnancy, it appears that normal amounts of the supplement are safe for pregnant women.
Flaxseed oil is probably safe for most pregnant women, especially when consumed in normal dietary amounts. However, it is a good idea to clear it with your healthcare provider before consuming large amounts of flaxseed oil. Flaxseed oil is not exactly the same as flaxseed, since the oil does not contain all of the active components found in the seeds. The information in this article does not apply to flaxseed.
Although flaxseed oil is a good source of some omega-3 fatty acids, it does not contain the type of omega-3 fatty acid most often recommended for pregnant women (docosahexaenoic acid, also known as DHA). Although little research is available concerning the safety of flaxseed oil during pregnancy, normal amounts (such as those found in foods) are probably safe for pregnant women. High doses of flaxseed oil could theoretically increase the risk of bleeding.
If you are pregnant, a moderate approach to flaxseed oil is probably best. Occasional use, especially in foods, is probably safe. Medicinal use (at higher doses) may not be safe.