Intersexuality is the condition of persons born with a significantly atypical development of their sex organs or with certain chromosomal irregularities. 中間性是指個體的性器官天生有顯著的不尋常性發育或者有某些染色體異常所致的癥狀。
Probability unit regression and multiple regression methods were used to analyze the relationship between average menarche age, sex development and body constitution. 采用概率單位回歸法及多元回歸分析法，進行月經初潮平均年齡及性發育與體質關系的研究。
