OBJECTIVE: To study the perinatal outcome of vaginally delivered twins when twin B is more than 250 g larger than twin A. STUDY DESIGN: Maternal and neonatal charts of live-born, nonanomalous twins, ...

A database of women receiving outpatient preterm labor surveillance services was studied for the period 1988 to 2002. Included were women with twin gestations under 30 weeks' gestation at start of ...

Having twins accounts for only 1.5% of all births but 25% of preterm births, the leading cause of infant mortality worldwide. Successful strategies for reducing singleton preterm births include ...

In singleton gestations, 17 alpha-hydroxyprogesterone caproate (17P) has been shown to reduce the rate of recurrent preterm birth. This study was undertaken to evaluate whether 17P would reduce the ...