MENSTRUTAL CYCLE

• it is the first day of menstruation last 10-14 days and during this phase several follicles within the ovaries start to develop under the influence if follicle contains immature egg sorrounded by granulosa cells

  Ovarian Cycle
• what is the two phase found in ovarian cycle

  follicular phase and luteal phase
• as the follicular phase progresses, estrogen levels? and causing negative feedback

  Rise
• this phase is when the ruptured follicle transforms into a structure called the corpus leteum


  luteal phase
• the corpus leteum secretes?

  Progesterone
• The progesterone also inhibits the release of?

  LH and FSH
• What will happen if the progesterone levels decline?

  the endometrium is no longer maintained leading to the shedding of the urine lining this marks the end of the luteal phase and the beginning of a new menstrual cycle
• this cycle typically last for about 28 days but the duration can vary from woman to woman 


  Menstrual Cycle (Uterine Cycle)
• this is the beginning of the uterine cycle characterized by the shedding of the uterine lining

  Menstrual phase
• Proliferative Phase


  the rising levels of estrogen secreted by the developing ovarian follicles stimulate the thickening of the endometrium last from around day 5 to day 14
• this phase is also referred to as the luteal phase 


  Secretory phase
• what is the purpose of the uterine cycle


  the purpose of the uterine cycle is to create an enviroment that is favorable for embryo implanantion and support early pregnancy