Uterine and ovarian growth was associated with age and puberty. Uterine length presented the best correlation with age. Multicystic ovaries seemed to be correlated with normal or premature pubertal stimuli.

Our findings suggest that 3-dimensional ultrasonographically derived measurements are reliable and reproducible up to 30 weeks if a standard measurement technique is used.

We found that sonohysterography does provide additional information over transvaginal sonography alone and is an important adjunct to transvaginal sonography in symptomatic women with known or suspected myomas, particularly before surgical or medical therapy.

Uterine and ovarian growth are proportional to age in prepubertal girls. Mean ovarian volume greater than 1 cm3 showed 100% sensitivity and specificity for discriminating between prepubertal girls and girls with central precocious puberty. Microcysts are common in prepubertal girls, but the presence of 6 or more follicles up to 10 mm in diameter may suggest central precocious puberty in girls younger than 8 years.