Anti-depressants May Be Responsible For Birth Defects, Study

A new research has finally answered the mind-boggling question which has confused doctors and pregnant patients for years: some anti-depressants can potentially increase the risks of birth defects, while others may not pose such a risk. So while it may be safe to take an anti-depressant to counter depression during this time, let your physician which is safe. The study, found no link between birth defects and the following medications:antidepressants citalopram (Celexa), sertraline (Zoloft) and escitalopram (Lexapro).

Researchers at the Centers for Disease Control and Prevention analyzed federal data on more than 38,000 women who gave birth between 1997 and 2009. They looked at the number of birth defects among babies and asked women whether they took any antidepressants in the month before getting pregnant or during the first three months of pregnancy.

Published in the BMJ, the study found no association between the most commonly used antidepressant, sertraline (Zoloft), and birth defects. 40 % of women who who took antidepressants took sertraline.

However, some medications did reveal a connection between birth defects and the antidepressants: fluoxetine (Prozac) or paroxetine (Paxil). Th defects vary, including heart defects, abdominal wall defects, and missing brain and skull defects with paroxetine, and heart wall defects and irregular skull shape with fluoxetine. The relative risk increased 2 to 3.5 times, depending on the defect and the medication.

That may sound like a lot, but Jennita Reefhuis, an epidemiologist and lead researcher in the study, says “the overall risk is still small.”

The absolute risk in the children of women who were treated with paroxetine early in pregnancy increased the risk of brain and skull malformation (anencephaly) from 2 to 7 per 10,000 births. For one of heart defects, the risk increased from 10 to 24 per 10,000 births.

Since this is an association study, it doesn’t prove that the medications caused birth defects.

“If you’re planning to get pregnant, it really is important to talk with your healthcare provider to see if there are options and if you could choose a safer option among antidepressants,” Reefhuis says. “Of course, not all antidepressants work the same for everybody, so that’s something that women need to consult with their healthcare provider about.”

Dr. Edward McCabe, chief medical officer for the March of Dimes Foundation. “This paper showed that those antidepressants that appeared to be less safe do not show as high a risk of birth defects as some of the earlier reports showed, so that’s also reassuring.”

Some women may try to wean themselves off antidepressants during pregnancy, some may opt for group or individual talk therapy in the interim and some may switch antidepressants. But any decision, cautions McCabe, should be done in consult with a woman’s healthcare provider, adding that women should not suddenly stop taking antidepressant medication altogether.

“That can cause serious risk for the woman, including suicide,” he says, “and if she’s pregnant, even more risk for the developing fetus than the medication itself.”

Stress in the mother can increase problems in pregnancy, McCabe notes, including premature birth and low birth weight. “A woman who is experiencing the stress of an uncontrolled depression may be putting her baby significant risk,” says McCabe.

McCabe says he hopes women will understand that “being on an antidepressant should not keep them from having a pregnancy, because they can be put on a drug that’s safe for their baby and will control their depression.”

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