Inclusion criteria:
Normal pregnancy and delivery
primiparous
Age between 15-45
Having at least reading and writing literacy
Body mass index (after delivery) between 18.5-30 kilograms per square meter
Exclusion criteria:
Gestational age below 37 or above 42 weeks
Multiple pregnancy
Fetus Malpresentation
Suffering from diseases that interfere with wound healing such as: anemia, infection and perineum wounds, diabetes, High blood pressure, diseases of skin, heart, kidney, lung , coagulation disorder, immunodeficiency, hemophilia, disorder of connective tissue, depression, malnutrition, mental illnesses, cancer)
Using drugs effective on wound healing such as: anticoagulants, antidepressants, antiepileptics), glucocorticoids, immune system suppressors, antibiotics, narcotics and psychotropic drugs, chemotherapy
Rupture of Amionitic membran more than 18 hours
Instrumental vaginal delivery or non-medial or lateral episiotomy incision
Non spontaneous removal of the placenta
History of previous injury or surgery or visible lesions in the perineum such as: genital warts, hemorrhoids
Alcohol drinking or smoking
Persistent constipation (according to the mother statement )