| L-arginine-rich foods lower risk of pre-eclampsia. |
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| EurekAlert: The supplements began when women were around 20 weeks pregnant and continued until delivery. Blood pressure and L-arginine levels were measured every three to four weeks at the hospital clinic. The proportion of women developing pre-eclampsia was 30.2% in the placebo group, 22.5% in the vitamin only group, and 12.7% in the L-arginine plus vitamin group. |