What are the (statistically) normal pH values of the outer skin/epidermis of human sex organs (groin/crotch) in the male and female? e.g male testes, female vulva, male glans, the enveloping epiderm, etc. I was trying to find information to no avail.


I googled different terms, like anatomical ph index map of the body, and couldn’t find any ph data about specific anatomical structures.

When I googled, I read through reiterations that the body has neutral ph mostly. Again, nothing anatomically specific.

Due to the ‘unique’ per structure microbiome, it does make sense to foresee a different ph, more to the acidic scale.

  • $\begingroup$ Hi and welcome to Bio.SE! Could you provide a clearer indication of where you've already searched and what information you did learn along the way? We as that question askers not only do background research of their own, but that they also demonstrate it. Please update your question using the edit button and add additional detail about your research process thus far. $\endgroup$ – theforestecologist Feb 8 '19 at 15:09
  • $\begingroup$ Can you explain why you would expect the values to differ from those in the skin at other parts of the body? This would provide context for your question. Otherwise it appears rather strange and is likely to be ignored. $\endgroup$ – David Feb 8 '19 at 22:29
  • $\begingroup$ @David I don't know if this is related or not, but recently a rumor began circulating on the Internet saying that women's vaginal areas are more acidic than the stomach. I wonder if that is why this question is being asked. Ironically, I was just thinking about asking this question... Beat me to it lol $\endgroup$ – L.B. Feb 11 '19 at 16:34
  • $\begingroup$ @L.B. — "A rumour began circulating on the internet". I vote to close. $\endgroup$ – David Feb 11 '19 at 21:26
  • 1
    $\begingroup$ @David, the question makes no attempt to ask about a personal medical question, so voting to close as such doesn't seem appropriate. It also doesn't seem strange for someone to ask this fairly straightforward question given the different environments, bacteria, etc. that these sex organs are associated with compared to the rest of the body. I vote to keep open, and I ask that you more patiently judge people's posts. $\endgroup$ – theforestecologist Feb 12 '19 at 4:48

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