Chen Kuan-cheng, who has surveyed overseas research extensively, says that there have been claims in foreign research papers that type B hepatitis can cause a rise in the proportion of male births.
曾廣泛閱讀國際文獻的陳寬政指出，國際上曾經出現研究報告，指出 B 型肝炎可能造成男嬰比例升高。