The endometrium is the innermost lining of the uterus that is shed along with an unfertilized egg released by one of the ovaries at the time of ovulation in absence of pregnancy.
The function of endometrium:
It is formed to prepare the uterus for implantation.
It maintains pregnancy.
Shed off during menstruation
Final Answer:
The endometrium functions to provide space for implantation of embryos.