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The uterine lining begins to breakdown when the egg of a female is not fertilized by the sperm of a male. This occurs on day one of the menstrual cycle.

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

hormone that maintains the lining of the uterus?


What causes breakdown of uterus lining?

The breakdown of the uterine lining typically occurs during menstruation when the body sheds this tissue in response to hormonal changes. However, certain conditions like endometriosis or hormonal imbalances can also cause abnormal breakdown of the uterine lining, leading to heavy or irregular bleeding.


Is progesterone the hormone that maintains the lining of the uterus?

no


What hormone builds up the endometrial tissue lining in a woman's uterus?

estrogen


What hormone causes menstruation?

The hormone that causes menstruation is called prostaglandins. These hormones are produced by the body's tissues, including the lining of the uterus, and play a role in triggering the shedding of the uterine lining during the menstrual cycle.


Why did the thickness of the lining of the uterus decrease between day one and day five of this cycly?

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.


What triggers the ovaries to release egg?

The pituitary gland produces FSH which starts the development of a woman's egg cell in a follicle in one of the ovaries.The ovary produces oestrogen which causes the thickening of the uterus lining.The pituitary now produces LH which causes ovulation and stimulates the empty follicle to produce progesterone.Progesterone causes the lining of the uterus to get thicker ready for the fertilised egg.If the egg is not fertilised, production of oestrogen and progesterone stops, the lining of the uterus breaks down and menstruation occurs.


Which hormone acts directly on the uterine lining during the menstrual cycle?

Estrogen causes endometrial growth/proliferation. Post-ovulation, mainly progesterone acts to cause secretion, accumulation of glycogen and basically maintains the lining and prepares it for implantation. Removal of these hormones causes menstruation.


Why does menstruation for girls causes severe stomach ache?

because your uterus lining is disintegrating. the lining of your uterus and blood capillaries present in your uterus to accommodate a baby in case of fertilization is now detaching from your uterus and falling as your period.


What is the hormone that maintains the lining of the uterus for a fertilized egg?

Progesterone is the hormone responsible for maintaining the lining of the uterus for a fertilized egg by promoting its growth and development. It helps create a suitable environment for implantation and supports early pregnancy.


The endometrial lining of the uterus remains in place during pregnancy in large measure because of the?

The inside of the uterus is lined with the "endometrium" which is shed every month if you are not pregnant. Once you get pregnant that lining changes to the "decidua" which stays in place because of the hormone progesterone and hCG the pregnancy hormone during pregnancy.


What material flows from the human female reproductive tract during menstruation is produced by the breakdown of the lining?

The material flowing from the human female reproductive tract during menstruation is produced by the breakdown of the endometrial lining of the uterus. This tissue and blood are shed during the menstrual cycle if a fertilized egg is not implanted.