<qa>  What is the name of the online Clinical Data Miner system?At first, a standardized patient history will be registered, followed by a standardized transvaginal gynecological ultrasound. All variables required for the diagnostic models as well as the subjective diagnosis and certainty of diagnosis by the examiner will be collected. Quality control is provided by the fact that all examiners involved in gynecological ultrasound have completed IOTA-training and succeeded in a certification test. All data will be registered in an online Clinical Data Miner system CDM. 