Question

Which layer of the uterine wall is sloughed during menses? Which layer contracts during childbirth?

Answer 1

Endometrium.
Myometrium.

Explanation:

Endometrium is the innermost layer of uterine wall. This is mucosal layer. The thickness of this layer changes during menstrual cycle, and shedding of this wall is called menstrual bleeding .

Myometrium is the middle layer. It is composed of muscle cells. This layer contracts during the process of childbirth .