Modern спермициды consist from

Modern спермициды consist from спермоубивающего substance and the carrier. Both components play equally important role in maintenance of contraceptive effect. The carrier provides a dispersion of chemical substance in a vagina, enveloping a neck of a uterus and supporting it so that any сперматозоид could not avoid contact with спермицидным a component. An active component for the majority modern спермицидов are strong сурфактанты, destroying a cellular membrane сперматозоидов. It nonoksinol-9 (Делфин, Контрацентол), менфегол (Неосампуун), октооктинол (Коромекс, Ортогинал) and chloride бензалкониум (Фарматекс). The release form спермицидного a preparation depends on its carrier. Application. Спермициды can be used with condoms, a diaphragm, caps and it is independent. Спермициды enter into the top part of a vagina for 10-15 mines before sexual intercourse. For one sexual intercourse enough unitary use of a preparation. At each subsequent sexual intercourse additional introduction спермицида is necessary.