If the implant is inserted during the first 5 days of menstruation, it generates a contraceptive protection of 99% immediately. However, if the contraceptive has been inserted without menstruation, it is recommended to use another barrier contraceptive (as a condom) for 7 days after insertion.
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Marta Barranquero Gómez
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).