The hormone changes that lead up to a period (menstruation). For most women, one cycle takes up to 28 days.
MENSTRUAL CYCLE
Meaning of MENSTRUAL CYCLE in English
English dictionary of medicine. Английский словарь медицины. 2012
The hormone changes that lead up to a period (menstruation). For most women, one cycle takes up to 28 days.
English dictionary of medicine. Английский словарь медицины. 2012