Ka taƙaita labarin:  Littafin Sex by Numbers: Abin da kididdiga za ta iya gaya mana game da halin jima'i an sake shi a wannan makon kuma dole ne a karanta shi ga duk wanda ke sha'awar wanda yake ainihin abin da yake yi, inda, lokacin da kuma yadda a gado. Marubucin, David Spielgalhalter, farfesa a Jami'ar Cambridge, ya fara binciken maganganu daban-daban game da jima'i da kuma raba tatsuniyoyi daga gaskiya. Hakan ya sa ni ma na yi hakan. Gungura ƙasa don bidiyo. Masana kimiyya da suka duba bincike 20 daban-daban game da girman azzakari, haɗe da aunawa 15,521 na azzakari daga ko'ina cikin duniya sun sami sakamako mai ban mamaki. Tun da yake babu wani sashen jikin mutum da ya fi kasancewa cikin tatsuniyoyi da al'adu fiye da sashen jikin mutum mafi tamani, ya zama kamar azzakari ne ya fi cancanta a yi nazari a kai. Ga abin da sabon bincike ya ce: Saboda haka, da gaske inci shida ne? Wani sabon takarda a cikin British Journal of Urology International ya dogara ne akan sakamakon masana kimiyya waɗanda suka sake nazarin nazarin 20 daban-daban na girman azzakari, ciki har da ma'aunin 15,521 na azzakari daga ko'ina cikin duniya. Mafi mahimmanci, ya dogara ne kawai akan nazarin inda aka auna azzakari ta ƙwararren masanin kiwon lafiya (abin mamaki, mamaki: maza ba su da gaskiya ko daidai lokacin da suka auna shi da kansu). Sakamakon: yawancin maza suna fada cikin 'yan santimita kaɗan daga juna, tare da mafi yawan ma'auni a kusa da inci 5.2 a tsayi lokacin da aka kafa tare da kewayon inci 4.6. Idan yana son yin DIY, hanyar da ta dace don auna azzakari ita ce ta amfani da tef mai auna masana'anta, ba mai mulki mai madaidaiciya ba. Ya kamata ya auna yayin da yake tsaye kuma ya auna gefen da ke fuskantar ciki, yana tura tef ɗin ƙasa don matsawa ƙashin pubic (don haka ba ya auna kitse!). Tracey ta binciki maganganu daban-daban game da jima'i da kuma raba tatsuniyoyi daga gaskiya. Matsakaicin lokacin tsakanin shigar da shi da kuma shi ejaculating (ga heterosexual ma'aurata) shi ne minti tara. Wannan shi ne sakamakon wani bincike da aka yi a Turai a kan ma'aurata 1,100 daga ƙasashe 44. Kowane ma'aurata sun yi ƙoƙarin yin jima'i aƙalla sau biyu a mako na makonni takwas kuma suna amfani da agogo, danna shi a kan...
Wani farfesa a jami'ar Cambridge ya rubuta littafi game da kididdigar jima'i. Jima'i ta Lambobi tana binciken menene ainihin matsakaicin girman azzakari. Tracey Cox ta dubi abubuwan da aka gano.