A method of contraception for a female subject is provided, as well as a contraceptive product and a contraceptive product system. The method includes spraying an amount of a thixotropic contraceptive product that has Bingham fluid characteristics into a subject's vaginal vault, which contraceptive product comprises a viscosity increasing agent in the range of about 4-8% by weight and an aqueous carrier. The thixotropic contraceptive product is sprayed in a manner that forms a barrier configured to prevent spermatozoa from entering a cervix of the subject.
