General adult female normal uterine cavity depth of 6 to 9 cm, the average depth of about 7 cm, that is, the deepest is about 9 cm, due to individual differences, the depth of each person is different, there is no uniform standard.
The specific depth can be judged by abdominal ultrasound or transvaginal ultrasound, when the uterine cavity surgical operation can be measured using a probe; the results of the examination, such as the depth of the uterus is relatively short, may be the uterine dysplasia, Considering that the uterus is relatively small, such as the depth of the uterus increased, may be the uterus to develop pathologies, such as uterine cysts, uterine fibroid tumors, uterine adenomyosis, uterine hypertrophy, and so on.
Normal non-pregnant uterus measures about 7 centimeters in depth by probe, and the uterus is also enlarged during pregnancy, if the gestational sac develops normally, regular obstetric checkups will be fine.