Effect of Helfer Skin Tap and Cold Application on Pain and Hemodynamics During Vaccination

Inclusion Criteria: Pregnant women who meet the following criteria will be included in the study: * Over the age of 18, * Scheduled to receive a tetanus vaccine, * Able to speak and communicate in Turkish, * Willing to participate in the study, * Not experiencing any pain for any reason prior to the injection. Exclusion Criteria: Pregnant women who meet any of the following criteria will be excluded from the study: * Under the age of 18, * Received a tetanus vaccine for reasons other than pregnancy, * Received a vaccine other than tetanus, * Experiencing pain for any reason prior to the vaccine, * Have circulatory disorders or peripheral vascular disease, * Have bleeding or clotting disorders, * Have a local infection, * Used painkillers at least 6 hours prior to the procedure, * Underwent a painful procedure within the last hour, * Have cold sensitivity, * Have cognitive or psychological issues.