During the first trimester of pregnancy, a client who was treated for genital herpes with acyclovir prior to this pregnancy tells the practical nurse (PN) that she is experiencing an episode of genital herpes. Which nursing intervention has the highest priority?

Assess her feelings about therapeutic abortions in the event the infant has been affected.

Identify current sexual partners so that they can be evaluated and treated for genital herpes if necessary.

Instruct her to avoid sexual intercourse while active, visible lesions are present.

Determine if the client has taken acyclovir for this outbreak of genital herpes.