Ejaculation due to stimulation while sleeping or while awake:
This applies to men and women.
The condition is that it must result from sexual arousal or lust.
There must be traces of ejaculation in the situation of having a wet dream.

Intercourse:
Male genital enters into female’s.
Scholars agree that touching without insertion does not require bathing.

Ending of menstruation and childbirth bleeding.
Death of a non-martyr Muslim:
Death does not cause impurity; however, ghusl is required.