While the uterus is associated with female individuals, it should be noted that there are several exceptions. Trans men may have a uterus while trans women will not.
More About Uterus
In some cases, the uterus presents in atypical positions. It can tip forward (anteverted), backwards (retroverted), the fundus (the top portion) can point forward of the cervix (anteflexed), or backwards in relation to the cervix (anteflexed). This can make certain sexual positions uncomfortable.