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Intrauterine

Inside the uterus (the small, hollow, pear-shaped organ in a woman's pelvis in which a fetus develops). NIH - National Cancer Institute

Anatomy of the female reproductive system; drawing shows the uterus, myometrium (muscular outer layer of the uterus), endometrium (inner lining of the uterus), ovaries, fallopian tubes, cervix, and vagina. Click to enlarge

The female reproductive system National Institutes of Health

Terms to know

Cervix
The lower, narrow end of the uterus that forms a canal between the uterus and vagina.
Endometrium
The layer of tissue that lines the uterus.
Fallopian Tubes
A slender tube through which eggs pass from an ovary to the uterus. In the female reproductive tract, there is one ovary and one fallopian tube on each side of the uterus.
Myometrium
The muscular outer layer of the uterus.
Ovaries
The ovaries are a pair of female reproductive glands in which the ova, or eggs, are formed. The ovaries are located in the pelvis, one on each side of the uterus.
Uterus (Womb)
The small, hollow, pear-shaped organ in a woman's pelvis. This is the organ in which a fetus develops. Also called womb.
Vagina
The muscular canal that goes from the uterus to the outside of the body. During birth, the baby passes through the vagina.

Terms to know

Cervix
The lower, narrow end of the uterus that forms a canal between the uterus and vagina....
Endometrium
The layer of tissue that lines the uterus....
Fallopian Tubes
A slender tube through which eggs pass from an ovary to the uterus. In the female reproductive tract, there i...
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