Marleen M H J van Gelder

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Results of previous studies on the safety of antidepressants during pregnancy have been conflicting. The primary objective of this study was to investigate whether first-trimester exposure to(More)
BACKGROUND According to the 2004 National Survey on Drug Use and Health, 4.6% of American women reported use of an illicit drug during pregnancy. Previous studies on illicit drug use during pregnancy(More)
BACKGROUND Self-reported medical history information is included in many studies. However, data on the validity of Web-based questionnaires assessing medical history are scarce. If proven to be(More)