Catharina C M Timmerman

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BACKGROUND Pregnancy rates among infertile women have been reported to increase after hysterosalpingography, but it is unclear whether the type of contrast medium used (oil-based or water-soluble contrast) influences this potential therapeutic effect. METHODS We performed a multicenter, randomized trial in 27 hospitals in the Netherlands in which(More)
Preterm birth is the most important cause of perinatal mortality in Europe and North America. Tocolytic agents named beta 2-sympathicomimetics postpone delivery for 24-48 hours, but do not reduce perinatal mortality or morbidity. Calcium antagonists, in particular nifedipine, are more effective tocolytic agents than beta 2-sympathicomimetics in terms of(More)
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