David Guo
VietnamdoctorMale7.0Global Dominance: 0.00%Dr. David Guo is a researcher at Stanford University who conducted a study on the sexual activity of men post-vasectomy, finding that those who underwent the procedure reported higher frequencies of sexual relations compared to those who did not, contributing to the ongoing dialogue about male sterilization.
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Dr. David Guo, the author of a study, explains that men who have undergone vasectomy engage in sexual activity more frequently.
Cấm chồng triệt sản vì sợ 'đổi tính nết'VnExpress – leading Vietnamese online newspaper, est. 2001·Vietnam· 2026-07-29
Vietnam· 2026-07-29
