Is it obligatory for a virgin to wash the hymen and the urethral opening when performing istinja (ritual cleansing), and what is meant by the statement that there is no obligation to separate the labia during istinja, and is it necessary to wash a specific part of the vulva when in doubt about urine reaching it, or when it is highly probable that it has not reached it?

When performing istinja (definition)' (ritual cleansing after urination or defecation), a woman must wash what is visible of her private parts while sitting, whether she is a virgin or non-virgin. There is no need to insert her hand between the labia. If a woman doubts whether a specific area has been soiled by impurity, she is not required to wash it, because the default state is purity.