Nutrients
Vitamin B6 (pyridoxine) may reduce severe nausea and vomiting associated with pregnancy. It's important to reduce higher doses of vitamin B6 before delivery, as it may suppress lactation. Dosage: 25 milligrams three times a day.
Calcium has been shown to reduce the incidence of high blood pressure in pregnant women with low calcium intake or in those at high risk of pregnancy-related high blood pressure. Calcium can also be effective for reducing leg cramps. In addition, calcium supplementation during pregnancy has been shown to lower blood pressure in offspring. Dosage: 1.0 to 1.5 grams per day.
Herbs
Bilberry (Vaccinium myrtillus) contains antioxidants that can improve circulation by rebuilding and strengthening capillaries. This may reduce the likelihood of varicose veins. Dosage: 160 to 480 milligrams per day (divided into 2 to 3 doses). Look for bilberry capsules or tablets that have been standardized to contain 25 percent anthocyanosides.
Dandelion (Taraxacum officinale) leaves contain compounds that are believed to have laxative and mild diuretic effects. Dandelion leaf may also help with digestive problems. Dosage: Take as a tea, using 4 to 10 grams of dried leaves added to 1 cup of boiling water. Steep covered 5 to 10 minutes. Drink 2 to 3 cups per day.
Ginger (Zingiber officinale) is becoming increasingly accepted for treating nausea during pregnancy. In one study, treatment with 250 mg four times a day of powdered ginger reduced the symptoms of severe morning sickness in pregnant women. Short-term use of ginger during pregnancy appears to be safe, although as a precautionary measure, dosages should not exceed 1 g per day. Dosage: 250 milligrams four times a day. Look for ginger capsules or tablets.
Be sure to talk with your physician or pharmacist to best determine which herbal or nutritional supplements are for you. Some supplements should not be taken if you have certain medical conditions or are taking particular prescription medications.
Note: The following herbs and dietary supplements should be avoided during pregnancy.
Barberry (Berberis vulgaris)
Goldenseal (Hydrastis canadensis)
Jupiter (Juniperus communis)
Licorice (Glycyrrhiza glabra)
Pokeweed root (Phytolaca americana)
Rue (Ruta graveolens)
Sage (Salvia officinalis)
Tansy (Tanacetum vulgare)
Wormwood (Artemisia absinthium)
Cascara sangrada (Rhamnus purshiana)
Senna (Cassia senna)
Vitamin A doses that exceed 6,000 IU/day
References
Access: Professional Reference to Conditions, Herbs & Supplements. Newton, MA: Integrative Medicine Communications; 2000.
Belizan JM, Villar J, Bergel E, et al. Long-term effect of calcium supplementation during pregnancy on the blood pressure of offspring: follow up of a randomised controlled trial. BMJ. 1997;315(7103):281-285.
Fischer-Rasmussen W, Kjaer SK, Dahl C, Asping U. Ginger treatment of hyperemesis gravidarum. Eur J Obstet Gynecol Reprod Biol. 1991;38(1):19-24.
Fulder S. Ginger as an anti-nausea remedy in pregnancy: the issue of safety. HerbalGram. 1996;38:47-50.
Grismondi GL. Treatment of phlebopathies caused by stasis in pregnancy. [In Italian] Minerva Ginecol. 1981;33(2-3):221-230.
Hammar M, Larsson L, Tegler L. Calcium treatment of leg cramps in pregnancy. Effect on clinical symptoms and total serum and ionized serum calcium concentrations. Acta Obstet Gynecol Scand. 1981;60(4):345-347.
Kulier R, de Onis M, Gulmezoglu AM, Villar J. Nutritional interventions for the prevention of maternal morbidity. Int J Gynaecol Obstet. 1998;63(3):231-246.
Sahakian V, Rouse D, Sipes S, Rose N, Niebyl J. Vitamin B6 is effective therapy for nausea and vomiting of pregnancy: a randomized, double-blind placebo-controlled study. Obstet Gynecol. 1991;78(1):33-36.
Marcus RG. Suppression of lactation with high doses of pyridoxine. S Afr Med J. 1975;49(52):2155-2156.
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