Презервативы для женщин (also known as internal condoms) are barrier contraceptive devices used for both contraception and protection against sexually transmitted infections (Иппп). Female condoms are often made of polyurethane or synthetic nitrile rubber, offering softness, durability, and hypoallergenic properties. The design includes two flexible rings: an inner ring that anchors inside the vagina to cover the cervix, and an outer ring …