There is no clear medical evidence that musk can be used for contraception. Musk, for the mature males of the deer family of animals in the navel and the genitals between the glandular sac of the secretion, drying granular or block, with a special aroma, taste bitter, can be made into a spice, but also can be used in medicine. Contraception needs to prevent the combination of sperm and egg cells or prevent the fertilization of the egg to bed, the efficacy of musk can not do any of the above, so the claim that musk contraception is no evidence-based medical proof. Effective contraceptive methods include the use of condoms, birth control pills, intrauterine devices, etc. It is recommended to choose the appropriate method of contraception. If you have any other questions, it is recommended to consult a professional doctor for guidance.