RT Journal Article SR Electronic T1 Fetal safety of calcium channel blockers JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 746 OP 747 VO 58 IS 7 A1 Alabdulrazzaq, Fatoumah A1 Koren, Gideon YR 2012 UL http://www.cfp.ca/content/58/7/746.abstract AB Question Many of my pregnant or lactating patients are taking calcium channel blockers (CCBs) for hypertension. How safe is maternal use of CCBs for fetuses and nursing infants? Answer Generally, CCBs have not been shown to increase teratogenic risk. Information regarding the safety of CCBs during lactation is limited, although they are not likely to pose a risk to the nursing infant.