Obstetrics and Gynecology

Clinical case: a problem in gestation

A 39-year-old woman (gravida 2, para 0) presented to her obstetrician at 32 weeks of gestation with pain in her lower back that began 2 days earlier. The pain was abrupt in onset and constant...
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 http://www.nejm.org/doi/full/10.1056/NEJMimc1102665...

New England Journal of Medicine