And relaxin also basically makes the pubic synthesis, the bone in this region, very relaxed. And this prepares the mother for labor, for childbirth. And secondly, it also increases the blood rate as well as the rate at which our heart actually pumps blood. And this is important because the mother needs to be able to pump more blood because now it has this growing organism, the fetus, inside the uterus. And finally, we also have a hormone known as corticotropic releasing hormone or corticotropic releasing factor. Now this is a peptide hormone just like these hormones here and it is not only released by the placenta, it is also produced by the neurons found inside the hypothalamus.