Selected article for: "female female and male male female female"
Author: Wu, Xiaobing; Guan, Yang; Ye, Jianbin; Fu, Hanlin; Zhang, Chunlai; Lan, Lina; Wu, Fengxin; Tang, Fen; Wang, Feng; Cai, Yumao; Yu, Weiye; Feng, Tiejian
Title: Association between syphilis seroprevalence and age among blood donors in Southern China: an observational study from 2014 to 2017
  • Document date: 2019_11_2
    • ID: ubnv0fdw_19
    Snippet: As mentioned, the prevalence of both syphilis infection and active infection were higher among females than males, consistent with the results of some previous studies. 22, 23 The physiology and anatomy of the genital organs are much different between both sexes. Females are more likely to contract STDs in receptive vaginal sex behaviours. 30 The male-to-female transmission rate is higher than the female-to-male rate in certain STDs, such as HIV......
    Document: As mentioned, the prevalence of both syphilis infection and active infection were higher among females than males, consistent with the results of some previous studies. 22, 23 The physiology and anatomy of the genital organs are much different between both sexes. Females are more likely to contract STDs in receptive vaginal sex behaviours. 30 The male-to-female transmission rate is higher than the female-to-male rate in certain STDs, such as HIV. 30, 31 Besides, a proportion of females have premarital or extramarital sexual partners. A previous study has found that syphilis prevalence among husbands of 2261 syphilis-infected pregnant women was < 30%. 32 Additionally, being serofast (or remaining positive in a non-treponemal test and having a titre with less than a fourfold decline in ≥1 year after recommended therapy) is common among syphilis patients. 33 The serofast rate is higher among females than males (42.8% vs 28.6%), 34 leading to more females staying in the state of active infection. The exact mechanism of this difference is unclear, but it may be partly associated with the varied immune system between both sexes. 34

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