Disturbing news for pregnant women who take certain anti-depressants.
A new study shows they are more likely to deliver babies with high blood pressure.
Researchers looked at more than 1 million births in five Nordic countries.
They found mothers who take anti-depressants in late pregnancy raises the chance of persistent pulmonary hypertension, an increase in blood pressure in the lungs which can lead to heart failure.
Copyright 2012 KPHO. All rights reserved. CNN contributed to this report.