The hypothalamus gland
The pituitary gland
FSH
ICSH/LH
The onset of puberty
FSH
LH
FSH
ICSH
Sperm production
testosterone
Testosterone
The prostate gland and seminal vesicles.
about 28 days
menstruation
follicle and the production of oestregen by the follicle in tje follicular phase
Proliferation of the endometrium preparing it for implantation.
It makes it more easily penetrable by sperm
LH
Ovulation
the release of an egg from a follicle in the ovary
At the midpoint of the menstrual cycle
The follicle develops into a corpus luteum secretes progesterone
Further development and vascularisation of the endometrium preparing it for implantation if fertilisation occurs
It prevents further follicles from developing
The degeneration of the corpus luteum with a subsequent drop in progesterone levels leading to menstruation
It doesnt degenerate and progesterone levels remain high