Patent ductus arteriosus and pregnancy

Most women who have a small patent ductus arteriosus can tolerate pregnancy without problems. However, having a larger defect or complications — such as heart failure, arrhythmias or pulmonary hypertension — can increase the risk of complications during pregnancy. If you have Eisenmenger syndrome, pregnancy should be avoided as it can be life-threatening.

If you have a heart defect, repaired or not, discuss family planning with your doctor. In some cases, preconception consultations with doctors who specialize in congenital cardiology, genetics and high-risk obstetric care are needed. Some heart medications can cause serious problems for a developing baby, and it might be necessary to stop or adjust the medications before you become pregnant.