One day I masterbated in the bathroom but during ejaculation very small amount of sperm fall on my sister's underwear which was kept in the bathroom then after this act I washed my sister's underwear 5 times by the help of soap 🧼, detergent and liquid dettol then spread her underwear outside on a wire for drying after some time her underwear gets fully dry and next day she wore same underwear after it gets fully dry can she become
pregnant by this act?? Please help doctor??