Yes, virgins can use menstrual cups safely and comfortably. The hymen has openings of varying degrees, and using a menstrual cup will not break it or affect virginity. However, it is important to use the right size and to be comfortable with inserting and removing the cup. It is also recommended to leave the cup in for no longer than 12 hours to avoid an increased risk for Toxic Shock Syndrome. Some positive aspects of using menstrual cups include reducing waste and becoming more familiar with ones body. However, it is important to note that menstrual cups are not risk-free and may not be suitable for everyone. It is recommended to talk to a healthcare professional before use if you have certain conditions such as vaginismus, uterine fibroids, endometriosis, or variations in uterine position.