The period from onset of one menstrual bleeding to the next in an ovulating female. The menstrual cycle is regulated by endocrine interactions of the hypothalamus; the pituitary gland; the ovaries; and the genital tract.
?
main Pv# 1 , InitialPages , pix False , #Drops 0 ;
trys 0
An error has occurred. If you are using Safari 26.0, there is a bug in the Apple code,
so upgrade to 26.1 or try an older version or another browser such as Chrome or Edge.
Reload