If you're pregnant or trying, new research may help you reduce your risk of preeclampsia. The condition, which is marked by swelling and dangerously high blood pressure, affects up to 8 percent of pregnancies and is a leading cause of early inductions and c-sections. What to consider:

Aspirin

News flash: Women at risk for preeclampsia who take aspirin are 10 percent less likely to develop it and deliver before 34 weeks, according to a review of studies in The Lancet.

Whom it could help: Those with high blood pressure, diabetes, or a personal or family history of preeclampsia. Aspirin isn't advised for healthy pregnant women.

How much and when: A daily low dose (50 to 150 mg), starting whenever your doctor thinks it's appropriate during your pregnancy.

Vitamin D

News flash: A University of Pittsburgh study shows that women who don't get enough of the vitamin are up to five times more likely to develop preeclampsia.

Whom it could help: All women. It's especially vital for those with dark skin, who tend to be the most vitamin D-deficient (dark skin needs more sunlight to synthesize the vitamin).

How much and when: Experts say 1,000 to 2,000 IUs is ideal. Take a daily D3 vitamin supplement (which is more effective than D2) early in your pregnancy.

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