Intersexuality is the condition of persons born with a significantly atypical development of their sex organs or with certain chromosomal irregularities. 中间性是指个体的性器官天生有显著的不寻常性发育或者有某些染色体异常所致的症状。
Probability unit regression and multiple regression methods were used to analyze the relationship between average menarche age, sex development and body constitution. 采用概率单位回归法及多元回归分析法，进行月经初潮平均年龄及性发育与体质关系的研究。
