News Health & Medicine Urine test signals pregnancy problem By Nathan Seppa January 25, 2005 at 10:44 am - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print Warning signs of preeclampsia, a complication of pregnancy that often forces a premature delivery, are revealed through blood tests (SN: 5/10/03, p. 293: Available to subscribers at Preeclampsia Progress: Blood test for predicting pregnancy problems; 2/14/04, p. 100: Available to subscribers at Pregnancy Alert: Proteins may predict preeclampsia).