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AIMS To examine risk factors of preterm delivery (PTD) among Thai women. METHODS Our case-control study included 467 term controls and 467 PTD cases. PTD was studied in aggregate and in subgroups (i.e. spontaneous preterm labor and delivery [SPTD], preterm premature rupture of membrane [PPROM], medically indicated preterm delivery [MIPTD], moderate(More)
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