During a laparoscopic tubal ligation out-patient procedure, the fallopian tubes are tied, cut, or removed to permanently prevent pregnancy. Tubal surgery blocks the pathway between the uterus and ovaries preventing sperm from reaching the egg.
There may be a dose-related effect of omega-3 fatty acids on atrial fibrillation risk. In high doses there appeared to be an increase in risk for atrial fibrillation in the omega-3 groups (versus control) in both trials.