A client who uses transdermal contraceptive, calls to the clinic because she forgot to apply a new patch three days ago. Which instruction should the nurse provide to the client?

Wait until the last day of your next menstrual period to apply the patch.

Wait until Sunday to apply the new patch and use the same site.

If a pregnancy test is negative, apply the next patch immediately.

Apply the new patch today and use a backup method for 7 days.