The evening primrose oil is well known as an herbal medicine useful in the treatment of various disorders like pre-menstrual syndrome, breast pains, allergies, eczemas, rheumatoid arthritis and many other. It's so useful due to its composition made of fatty acids like the gamma linolenic acid which is good for many body functions.

Though it's a useful remedy, especially for women dealing with strong pre-menstrual symptoms, mood swings and breast pains the evening primrose oil is not recommended during pregnancy because it can cause uterine contractions and induce an early labor. So, even if during pregnancy, you experience breast pains or mood swings, symptoms the oil usually reduces, it is not recommended to resort to it and try different remedies.

As stated above the evening primrose oil pregnancy side effects can be quite harmful both for the baby and the mother, but some studies have shown that the oil can be useful while trying to get pregnant. For women whose cervical fluid is thick or dry, preventing the fertilization, some doctors recommend this herbal treatment that can help in the production of more cervical fluid. To be fertile the fluid has to be clear, thin and watery and this is exactly what evening primrose oil does. This fluid is essential in conceiving a baby because it helps the sperm to get easily to the egg and fertilize it. It also recommended drinking a lot of water along with the oil, because it has an important role too. It is very important to respect exactly the treatment because the oil should only be taken between the menstruation and ovulation, because if the egg is fecundated then the oil can harm it by causing uterine contractions. You may not get pregnant immediately but you shouldn't give up on the treatment because it takes time for herbal remedy to build up and really help your body.

Also, pregnancy related, the oil has another beneficial part: it helps in inducing labor. While during the pregnancy it's not recommended, starting with your 34 week you can take small amounts of evening primrose oil that will slowly build up and help inducing the labor, when the time is right. Don't worry, it will not actually induce the labor by itself but it will soften the cervix and prepare it to open.