Follikulometry-LRA ultrasonic method for assessing the growth and maturation of follicles in the ovary, determining the possible date of ovulation. Indications for its implementation are: the control of ovarian function for different endocrine diseases, infertility, to determine the phase of the menstrual cycle and determine the causes of menstrual disorders, monitoring the effect of hormonal treatment on ovarian function, determine the date of the supposed ovulation, before the ekstrakoporalnogo oplodovoreniya etc.