In parallel with the training intervention, 50 female controls without POP will be referred from the same gynaecologists. In this case-control study only women with stage 0 on POPQ will be included in the control group. They will be examined in the same way as the main study group by the physiotherapist and gynaecologist. PFM strength and clinical tests for "benign hypermobility joint syndrome" will be conducted. They also complete the same forms as in the RCT.