A thin, flexible square patch that continuously delivers hormones through the skin and into the bloodstream for a full 7 days to prevent pregnancy is known as the EVRA patch.
Hormones are the chemical substances that act as messengers. They are involved in various processes inside the body. These include growth, development, menstruation in females, metabolism, etc. Thee hormones are released from various organs of the body. However, their site of action is usually different from their origin.
EVRA patch is the contraceptive birth control method. The main function of the patch is to prevent the fusion of the sperm and the ovum and hence, prevent the fertilization. The hormones released from them can also thicken the mucus present in the cervix region of the female.
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