The uterine lining builds-up following ovulation in preparation for possible pregnancy, to allow the zygote to implant and nourish the growing 'baby'. If pregnancy doesn't occur the drop in progesterone triggers the uterus lining to break down, this is called menstruation.
At the beginning of the menstrual period.
unsa?
the lining of the uterus thickens,
The uterus lining will come loose and a mentral cycle will begin.
the uterus
because the egg is not needed so the lining of the stomach is not needed to protect the egg. The lining breaks down and this is a period.
During Menstruation. The uterine lining sheds to prepare the uterus for pregnancy. It's due to the drop in estrogen and progesterone.
At the beginning of the menstrual period.
you start to bleed as the uterus lining breaks down.
When the yellow body (corpus luteum) degenerates and withers away, the lining of the uterus breaks down and menstruation occurs.
hormone that maintains the lining of the uterus?
The lining of the uterus is what denigrates when your egg isn't fertilized and you get your period.
The lining of the uterus serves as a protection for the growing fetus.
When a woman ovulates, the lining of the uterus thickens to prepare for the zygote and when it's not fertilized the lining of the uterus breaks down and the egg and lining leaves the uterus by bleeding.
Menstruation is the process in which the uterus lining breaks down and leaves the body - thus menstrual flow consists of uterus lining and blood from the uterus lining breaking down, it can also contain cervical mucus picked-up while the menstrual flow passes through the vaginal opening, and discharge from within the vagina.
unsa?
Yes. A lining builds up in the uterus so it can support a fertilized egg that would become a baby. Your period is the lining shedding because it is no longer needed to support a fertilized egg.