A.上次月經(jīng)后7~8d B.上次月經(jīng)后14d C.上次月經(jīng)前7~8d D.上次月經(jīng)前14d E.無規(guī)律時間
A.3~5d B.20~25d C.24~27d D.29~30d E.30~32d
A.11歲 B.12歲 C.13歲 D.29歲 E.30歲