This observation is in the dynamics of the changes in the organs of the female reproductive system during the menstrual tsikla.Diagnostika to determine was the ovulatory cycle or not, what day ovulation occurred. Also conducted surveillance of the maturation and growth of the endometrium, ie functional mucosa matki.Dlya diagnostic use of ultrasound scanner and the sensor. The procedure is no different from the US, which is used in obstetrics and gynecology. This method - a reasonable alternative conduct basal body temperature charts and other ancient methods for determining ovulation.