探讨黑人的鸡儿为啥这么大

引用

https://www.zhihu.com/zvideo/1359866626536550400

引用

白人 Caucasian penis size


5.2 inches (13.2cm); The Harriet Lane Handbook, John Hopkins University, USA美国: jpedhc.org/article/S08900140-0/fulltext#tbl1copeson.org.mx/medicos/

4.9 inches (12.4cm); University of California School of Medicine, San Francisco, USA美国: ncbi.nlm.nih.gov/pubmed

5.4 inches (13.7cm); Tel Aviv-Sourasky Medical Center, Israel以色列: nature.com/ijir/journal

4.9 inches (12.4cm); University of Florence, Italy意大利: ncbi.nlm.nih.gov/pubmed

5.3 inches (13.5cm); Italian Society of Andrology, Italy意大利: falloplastica.net/fp/co

5.6 inches (14.2cm); Department of Urology, University of Essen, Germany德国:ncbi.nlm.nih.gov/pubmed

5.6 inches (14.2cm); Western General Hospital, UK英国; Edinburgh and St John's Hospital, UK: ncbi.nlm.nih.gov/pubmed

5.1 inches (13.0cm); Department of Urology, St. Mary's Hospital, UK英国: onlinelibrary.wiley.com

5.3 inches (13.5cm); Spanish Society of Andrology, Spain西班牙: pulevasalud.com/ps/subc

5.3 inches (13.5cm); Department of Urology, Jordan University Hospital, Jordan约旦: Penile measurements in normal adult Jordanians and in patients with erectile dysfunction.

4.6 inches (11.6cm); Department of Urology, School of Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran伊朗: nature.com/ijir/journal

黑人 African penis length

(非洲的研究论文比较少，大部分国家没有量过。你能查到其他国家告诉我。这也说明【世界阴茎长度地图】的大部分数据是编的，只是为了符合人的刻板印象)

5.3 inches (13.4cm); Department of Surgery, Nnamdi Azikiwe University, Nigeria尼日利亚: ncbi.nlm.nih.gov/pubmed

4.6 inches (11.5cm); Department of Urology, University of Minnesota, USA; Dar es Salaam and Ministry of Health and Social Welfare (SK), Iringa, Tanzania坦赞尼亚: Penile Measurements in Tanzanian Males: Guiding Circumcision Device Design and Supply Forecasting

东亚人 Asian penis size

5.3 inches (13.5 cm); Department of Urology, Chosun University, South Korea: koreamed.org/SearchBasi

5.0 inches (12.7 cm); Institute of Reproductive Medicine and Population, Seoul National University Medical Research Center, South Korea: search.informit.com.au/

5.5 inches (14.0 cm); Department of Urology, Beijing Medical University, China: scribd.com/doc/10302345

5.1 inches (12.9 cm); Department of Urology, RenJi Hospital, School of medicine, Shanghai Jiao Tong University, Shanghai, China: A comprehensive, prospective study of penile dimensions in Chinese men of multiple ethnicities

5.3-5.4 inches (13.5-13.7cm); Department of Urology, Beijing Medical University, China: scribd.com/doc/10302407


可以看出阴茎大小长短没有种族关系，都在一个范围内。
懂了吗？