Wang says the reason is that the tissue in Asian women's breasts tends to be denser than that in Western women's. As a result, the hormones released during ovulation can cause the breast to feel "less smooth."
王正旭釋疑：與西方婦女相較，東方女性的乳房組織密度較高，尤其排卵期間因荷爾蒙分泌的關係，會導致乳房摸起來「沒那麼平滑」。