Schwartz concluded that lesbian partners in fully commited relationships have significantly less intercourse than any other sort of couple, and that they typically practical experience much less sexual intimacy the more time the romantic relationship lasts, though this research has been topic to debate. Some lesbian or bisexual gals dislike oral sex due to the fact they do not like the experience or thanks to psychological or social factors, these kinds of as acquiring it unclean. The American Family Physician indicates that lesbian and bisexual ladies "include intercourse toys that penetrate a lot more than 1 person's vagina or anus with a new condom for each individual human being" and to "consider working with distinctive toys for each man or woman", to use a safety barrier (for case in point, a latex sheet, dental dam, minimize-open up condom or plastic wrap) through oral sex and to "use latex or vinyl gloves and lubricant for any handbook sexual intercourse that could possibly induce bleeding unprotected speak to with a sexual partner's menstrual blood and with any visible genital lesions". HIV can be unfold by means of bodily fluids, such as blood (such as menstrual blood), vaginal fluid and breast milk, or by oral sex if the person has cuts or sores in her mouth or weak oral cleanliness. The use of the same intercourse toys by additional than 1 human being boosts the possibility of transmitting these types of bacterial infections.