It also enlarges our uterus. And that's because as our fetus grows, the uterus must enlarge with our fetus. So it enlarges the uterus to accommodate the growing fetus. And finally, it plays a role in relaxing our joints and ligaments that are found in the women's pelvic region. And this is basically to prepare our women for birth. Now, let's move on to the third type of hormone, which is a glycoprotein.