Can Vigorous Exercise Prevent Implantation?

One study of women undergoing IVF noted that doing moderate to vigorous activity had no impact on implantation, clinical pregnancy, or live birth rates. The main issue with exercise during IVF has to do with the risk factor associated with IVF of ovarian torsion (when the ovary twists around its stalk).

Can vigorous exercise prevent pregnancy?

Normal-weight women in the study who said they exercised vigorously five or more hours a week were 42% less likely to get pregnant in any given month than women who did not exercise at all. The more vigorous the exercise that normal-weight women engaged in, the lower their probability for conception.

Can running stop implantation?

For the majority of women, running won't affect their ability to get pregnant so there's no need to cut back.