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The thickness of the lining of the uterus decreases between day one and day five of the menstrual cycle primarily due to the shedding of the endometrial tissue during menstruation. This process is triggered by a drop in hormone levels, particularly progesterone, which leads to the breakdown and expulsion of the uterine lining. As menstruation progresses, the lining is sloughed off, resulting in a thinner endometrium by day five. After this phase, hormone levels begin to rise again, preparing the uterus for potential implantation in the following cycle.

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3mo ago

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Why does the lining of the uterus decrease between day 1 and day 5?

Because its when ovulation occurs and the inside liquids "eat" at the uterus lining.


Why does the uterus lining change in thickness during the menstrual cycle?

The uterus lining changes in thickness during the menstrual cycle in response to hormonal levels. In the first half of the cycle, estrogen causes the lining to thicken in preparation for a potential pregnancy. If fertilization does not occur, estrogen levels drop and the lining sheds during menstruation.


What would happen to the thickness of the lining of the uterus after 28 days if an ivum was fertilised?

id wet my self


What is the relationship between oestrogen concentration in the blood and the thickness of the lining of the womb?

I think that if the relationship between oestrogen and the blood lining is that if it is low, there is a stop in the progression of blood lining and lining begins to break down, as oestrogen causes progesterone hormone that creates the thick mucus lining around the uterus and maintain it. When there is high concentration of oestrogen in the blood, it can help in maintaining the lining and creating the mucus in the uterus. Sometimes if there is a real high concentration in the blood, like when you take a contraceptive, it can cause blood clots to happen.


What are the hormones that are delivered to the lining of the uterus?

hormone that maintains the lining of the uterus?


How can you tell the difference between period and uterus blood?

When you get your period it is uterus blood. Your period is the uterus shedding its lining if you do not get pregnant. All month your uterus builds up its lining for if your egg gets fertilized, and when/if it does not get fertilized, you have your period at the end of the month.


What does the lining of the uterus do?

The lining of the uterus is what denigrates when your egg isn't fertilized and you get your period.


What is the role of uterus lining?

The lining of the uterus serves as a protection for the growing fetus.


What are caused by the uterus contracting to expel its lining?

Cramps are caused by the uterus to expel its lining.


What caused by the uterus contracting to expel its lining?

Cramps are caused by the uterus to expel its lining.


Pieces of the inner lining of the uterus are ectopic?

Endometriosis are the pieces of the inner lining of the uterus are ectopic.


What does the uterus lining do to the fertillised ovum?

After fertilization, the uterus lining provides nourishment and protection for the fertilized ovum. The ovum implants in the uterus lining, where it receives nutrients and support for development into an embryo.