I masturbate and wash hand only with water and after that me and my gf do oral sex I insert my fingut into her vagina and this thing happen after when my gf had periods 4 day ago and now my gf not getting period more than 2 month .we check prega test but show negative. We checked 5 time from last 2 month. We use deviry med on 3 Nov she eat only 2 for 2 days after he stop and the 5 NOv she coming little bleed she said the blood is very light like water .she coming alternating day please help me we are total scare .we not done any intercourse. Thanx for listen me please help me sir/madam.