Would you preform CPR on a Female with Breasts?

The question stems from the fact that women are less likely to receive bystander CPR/AED assistance compared to men who are 10% more likely to receive help from bystanders. (On average 60% of women receive help from a bystander while men receive 70%)
Are Female boobs scaring you off from preforming CPR? (Explain why)
What would make you more confident to preform CPR on an individual with large breasts?