The thickest layer of uterus is:

Correct option is C

Ans. (c) Myometrium
Sol. The myometrium is the middle muscular layer of the uterus and is the thickest. It plays a key role during labor contractions.
Explanation of each option:
· (a) Peritoneum – Outer lining covering the uterus; not the thickest.
· (b) Perimetrium – Thin outer serous layer.
· (c) Myometrium – Correct. It is the muscular and thickest layer.
· (d) Endometrium – Inner mucosal lining that sheds during menstruation.