From a survey, showing the available techniques at all the actual stand of abortion techniques in the different phases of pregnancy up to the second trimester are reported. Up to the 6th week of pregnancy vacuum curettage with a small canula, intravaginal and systemic application of prostaglandin-analoga as well as antigestagens are available. If there is an unproblematic situation in the first trimester up to the 12th week of pregnancy dilatation and curettage is the routine. In case of an individual risk there is a choice between save methods of dilatation with various applicable prostaglandins and - analoga as well as synthetic hydrophilic dilatators. Operation will be finished by section curettage or the classic curettage. In favour of the combined local systemic use of prostaglandins and analoga, installation methods are leaved. Oxytocin and application of synthetic hydrophilic dilatators are still important. Additional indications are necessary for operations at the uterus. Prophylaxis and metaphylaxis to avoid damages following treatment are reviewed.