Which hormone is primarily associated with stimulating the endometrium for implantation?

The hormone primarily associated with stimulating the endometrium for implantation is progesterone. After ovulation, progesterone is secreted by the corpus luteum and plays a crucial role in preparing the endometrial lining of the uterus to support a potentially fertilized egg. It helps to thicken the endometrium, making it more receptive for implantation, and also increases the secretion of nutrients from the glands in the endometrium, providing a suitable environment for the developing embryo.

In addition to promoting changes that facilitate implantation, progesterone also inhibits further ovulation during this time and helps maintain the pregnancy if implantation occurs. Therefore, its role is vital in ensuring that the uterine lining is adequately prepared for a successful implantation and subsequent embryo development.