A system for performing sperm analysis and selection based on sperm cell morphology of sperm cells in a fluid, the system comprising: (i) a fluid flow channel for transport of said fluid, the fluid flow channel comprising an inlet, an analyzing zone configured downstream from said inlet comprising (i) a first pair of electrodes comprising a first intra-electrode distance (d 1) and (ii) a second pair of electrodes comprising a second intra-electrode distance (d 2) and configured at an inter-electrodes distance from the first pair of electrodes, a sorting zone configured downstream from said analyzing zone, and outlets (80,90,...) configured downstream from said sorting zone; (ii) an electric source configured to provide an electric signal to the first pair of electrodes and to provide an electric signal to the second pair of electrodes; (iii) a measuring device functionally coupled to the first pair of electrodes and functionally coupled to the second pair of electrodes, and configured to measure a first impedance as a function of time of the fluid between the first pair of electrodes and to measure a second impedance as a function of time of the fluid between the second pair of electrodes and configured to provide time-dependent impedance data based on the first impedance and the second impedance; wherein the time-dependent impedance data comprise differential signal curve data, wherein the differential signal curve data are provided by subtracting the second impedance as a function of time from the first impedance as a function of said time; (iv) a control system (v) a sorting device configured to sort sperm cells between morphological normal sperm cells and morphological abnormal sperm cells by directing the sperm cell in the sorting zone to one of the outlets (80,90,...) based on a comparison in a comparison stage of the time dependent impedance data with predefined reference data using the control system, wherein an area under a processed differential signal curve is compared with an area under a processed differential signal curve of normal sperm cells and an area under a processed differential signal curve of abnormal sperm cells, wherein the processed areas under the curves are provided by normalizing the respective differential signal curve based on a peak height (Y B) and a peak width (X B), wherein the peak height (Y B) is a minimal impedance signal value of a negative peak of the respective curve and the peak width (X B) is the corresponding measuring time at the peak height (Y B) minus the measuring time corresponding to a start of the negative peak, wherein an abnormal sperm cell is directed to one of the outlets (80, 90,...) by the sorting device and a normal sperm cell is directed to another outlet (80, 90,...). (i) a fluid flow channel for transport of said fluid, the fluid flow channel comprising an inlet, an analyzing zone configured downstream from said inlet comprising (i) a first pair of electrodes comprising a first intra-electrode distance (d 1) and (ii) a second pair of electrodes comprising a second intra-electrode distance (d 2) and configured at an inter-electrodes distance from the first pair of electrodes, a sorting zone configured downstream from said analyzing zone, and outlets (80,90,...) configured downstream from said sorting zone; (ii) an electric source configured to provide an electric signal to the first pair of electrodes and to provide an electric signal to the second pair of electrodes; (iii) a measuring device functionally coupled to the first pair of electrodes and functionally coupled to the second pair of electrodes, and configured to measure a first impedance as a function of time of the fluid between the first pair of electrodes and to measure a second impedance as a function of time of the fluid between the second pair of electrodes and configured to provide time-dependent impedance data based on the first impedance and the second impedance; wherein the time-dependent impedance data comprise differential signal curve data, wherein the differential signal curve data are provided by subtracting the second impedance as a function of time from the first impedance as a function of said time; (iv) a control system (v) a sorting device configured to sort sperm cells between morphological normal sperm cells and morphological abnormal sperm cells by directing the sperm cell in the sorting zone to one of the outlets (80,90,...) based on a comparison in a comparison stage of the time dependent impedance data with predefined reference data using the control system, wherein an area under a processed differential signal curve is compared with an area under a processed differential signal curve of normal sperm cells and an area under a processed differential signal curve of abnormal sperm cells, wherein the processed areas under the curves are provided by normalizing the respective differential signal curve based on a peak height (Y B) and a peak width (X B), wherein the peak height (Y B) is a minimal impedance signal value of a negative peak of the respective curve and the peak width (X B) is the corresponding measuring time at the peak height (Y B) minus the measuring time corresponding to a start of the negative peak, wherein an abnormal sperm cell is directed to one of the outlets (80, 90,...) by the sorting device and a normal sperm cell is directed to another outlet (80, 90,...).