Elena Gilbert in the books does not have children,as in the series.So,maybe you thought of Nina Dobrev who plays Elena in the series - no she hasn't got any children.
The uterus is part of a woman's reproductive system that is located in the pelvis between the bladder and the rectum. The uterus is the hollow, pear-shaped organ where a baby grows. The narrow, lower portion of the uterus is called the cervix. The broad, middle part of the uterus is called the body, or the corpus. The dome-shaped top of the uterus is called the fundus. The fallopian tubes extend from either side of the top of the uterus to the ovaries.
1 Ovaries: Two female reproductive organs located in the pelvis. 2  Fallopian tubes: Carry the eggs from the ovaries to the uterus. 3  Cervix: The lower, narrow part of the uterus (womb) located between the bladder and the rectum. Cervix: The lower, narrow part of the uterus (womb) located between the bladder and the rectum. 2  The cervix forms a canal that opens into the vagina, which leads to the outside of the body. 3  Vagina: The passageway through which fluid passes out of the body during menstrual periods.