Cervix to uterine body ratio in a prepubeal girl
The pubeal uterus has the adult pear configuration (fundus larger than cervix) (fundus-to-cervix ratio  2/1 to 3/1) (4-8) (Fig 3) and is 5-8cm long, 3 cm wide, and 1.5 cm thick. The endometrial lining is seen and varies with the phases of the menstrual cycle. Overfilling of the bladder can modify the uterine shape
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Anatomy of the female genital tract