The skin patch is a hormonal contraceptive method that measures 5x5 cm. It works by delivering hormones into the woman's body through the skin. It is more than 99% effective at preventing a pregnancy.
By Andrea Rodrigo BSc, MSc (embryologist), Sara Salgado BSc, MSc (embryologist) and Sandra Fernández BA, MA (fertility counselor).
Last Update: 12/07/2016