
Psychiatr News April 21, 2006
Volume 41, Number 8, page 14
© 2006 American Psychiatric Association
What Is Evidence Base for Using SSRIs During Pregnancy?
That question prompted the following winning response from University of
Michigan psychiatry resident Dharmesh Sheth, M.D., in an interactive contest
about evidence-based medicine designed by residents and faculty:
"Depression is common among women of childbearing age, and affected
women are frequently prescribed SSRIs. To date, none of the SSRIs studied in
pregnancy has been found to increase the baseline rate of 1 percent to 3
percent for major malformations. A meta-analysis examined almost 1,800 women
who used the newer antidepressants, including SSRIs, during pregnancy in seven
prospective, comparative studies and found no increased risk for major
malformations. Maternal exposure to antidepressants may be associated with
increased risk for spontaneous abortion; however, depression itself cannot be
ruled out. In two studies by the same group, no association between
gestational use of TCAs or fluoxetine and language development, global IQ, or
temperament was observed. A literature review by Moses-Kolko El et al.,
suggests that in utero exposure to SSRIs during the last trimester through
delivery may result in a self-limited neonatal behavioral syndrome that can be
managed with supportive care. The risks and benefits of discontinuing an SSRI
during pregnancy need to be carefully weighed for each individual patient.
"APA's Committee on Research on Psychiatric Treatments identified
treatment of major depression during pregnancy as a priority area in clinical
management. On the basis of this recommendation, a position paper was
published on the risk-benefit decision making for treatment of depression
during pregnancy. The authors concluded that there was no evidence to
implicate antidepressants as causing harm to an unborn baby and that a
pregnant woman should be treated so long as the benefits and possible risks
are well explained to her.
"Recent concerns have been for the increased risk of congenital
malformations by paroxetine. As reported on the FDA Web site, `Preliminary
results of two recent studies indicate that paroxetine increases the risk of
congenital malformations, particularly cardiovascular malformations. Based on
the new data, paroxetine's pregnancy category is being changed from C to
D....' This FDA alert has been based on preliminary results of unpublished
studies by GSK."
Sheth's literature references as well as other winning responses are
posted at
<www.med.umich.edu/psych/education/evidence.htm>.
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