What Causes Large Breasts in Women — And Is There Any Link to the Vagina? When it comes to the female body, breast size often draws attention and sparks curiosity. One common question is: What causes a woman to have large breasts — and does it have anything to do with her vagina? Let’s clear things up using science, not myths.

What Determines Breast Size in Women?
Breast size is influenced by several natural and biological factors, including: