Is taking Persen Forte: Persen Forte is a herbal medicine used to calm and calm down in states of nervous tension and trouble falling asleep. It contains extracts of valerian root, lemon balm leaves and mint leaves. Composition The active substances of the drug are dry extracts of valerian root (Valerianae extractum hydroalcoholicum siccum), lemon balm leaves (Melissae folii extractum siccum) and mint leaves (Menthae folii extractum siccum). 1 hard capsule contains: 87.5 mg of dry valerian root extract, 7.5 mg of dry lemon balm leaf extract, 17.5 mg of dry extract of peppermint leaves. Excipients: Capsule content: magnesium oxide, lactose monohydrate, talc, colloidal anhydrous silica, magnesium stearate; Capsule shell: gelatin, red iron oxide (E172), yellow iron oxide (E172), titanium dioxide (E171). Will it not disturb the contraceptive protection of Nuvaring? Is it necessary to use additional contraception in the form of a condom during use?