Multiple factors: I'm a bit surprised that HealthTap sent this question to a dentist but I do have about 2 years of medical school so I will answer it. The most common cause would be an incompetent cervix that simply cannot hold the fetus in once it reaches the end of the first trimester, the second would be APS or antiphospholipid syndrome, and the third, a bit far fetched, would be paraneoplastic syndrome.
Answered 7/4/2015
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A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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