Michael L Haydon

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OBJECTIVE The purpose of this study was to compare obstetric outcomes and maternal satisfaction in nulliparous women in spontaneous labor who used patient-controlled epidural analgesia (PCEA) vs continuous epidural infusion (CEI). STUDY DESIGN We conducted a double-masked trial of 270 nulliparous women who were assigned randomly to 3 groups (with a(More)
OBJECTIVES To estimate the risk of preterm delivery of twin pregnancies based upon sonographic cervical length measurement and gestational age at measurement. METHODS Twin pregnancies that delivered between 1999 and 2005 and that underwent sonographic measurement of cervical length between 13 and 34 + 6 weeks' gestation were identified and a retrospective(More)
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