This work aims to show, by the onehand, the basic need of care to maintainlife and society; by the other, the unequaldistribution of care between those whoprovide it and those who receive it,mostly based on the sex-gender system.To achieve this goal, the theoretical frameworkof care ethics is applied, as wellas arguments and empirical data on theconsequences that some circumstances—such as motherhood, upbringing orcaring of dependent people— have onwomen.