| http://www.w3.org/ns/prov#value | - But ultrasound alone is inconclusive, the news source reported.British researchers wanted to see whether a single progesterone test early on could distinguish a healthy pregnancy from one he is headed for trouble.The study suggests that in women who have symptoms, such as abdominal pain and vaginal bleeding, a doctor can tell the difference between a viable pregnancy and an at-risk one by looking
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