How big is a uterus?


Quick Answer

The average woman's uterus is roughly three inches long, two inches wide and one inch deep. The size of a woman's uterus may be larger if she has had children.

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Full Answer

The uterus is composed of both the myometrium and the endometrium. The myometrium is the muscular layer of the uterus that allows it to contract during a woman's menstrual cycle and during labor. The endometrium is the smooth, inner layer of the uterus that contains a thick layer of tissue that is shed each month during a woman's menstrual cycle. If a woman becomes pregnant, the zygote implants itself in the endometrium where it receives nourishment.

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