Commercial lubricant use among HIV-negative men who have sex with men in Los Angeles: Implications for the development of rectal microbicides for HIV preve... Commercial lubricant use among HIV-negative men who have sex with men in Los Angeles: implications for the development of rectal microbicid...
You will find tips that have helped thousands of women find the right lubricant, introduce a bedroom accessory to their relationship, and expand their notions of orgasm, intercourse, and massage. Using Patty's time-tested techniques, you and your partner will reconnect and reignite your ...
被引量: 0发表: 2012年 Is there any lubricant that's safe for baby-making sex? Lubricants can make it harder for the sperm to move on their own, inhibiting their ability to swim to the egg once inside the vagina. Even using saliva as ... D Alice 被引量: 0发表: 2016年 ...