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When an egg is not fertilized, the menstrual cycle triggers the shedding of the uterine lining, known as menstruation. This process is regulated by hormonal changes; specifically, a drop in progesterone and estrogen levels leads to the breakdown of the endometrium. As a result, the thickened uterine lining, along with blood and tissue, is expelled through the vagina, typically lasting 3 to 7 days. This cycle prepares the uterus for a potential pregnancy in the following month.

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1mo ago

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Related Questions

What does progesterone stimulate?

Progesterone levels rise after ovulation to protect the fertilized egg and to prevent the uterine lining from shedding.


What is the difference between ovulation and a period?

Ovulation is when an egg is released from the ovary, while a period is the shedding of the uterine lining if the egg is not fertilized.


What is the difference between ovulation and menstruation?

Ovulation is the release of an egg from the ovary, while menstruation is the shedding of the uterine lining if the egg is not fertilized.


Is ovulation the same as the menstrual period?

No, ovulation is the release of an egg from the ovary, while the menstrual period is the shedding of the uterine lining if the egg is not fertilized.


Is ovulation the same as a period?

No, ovulation is not the same as a period. Ovulation is the release of an egg from the ovary, while a period is the shedding of the uterine lining if the egg is not fertilized.


The shedding of the uterine lining is referred to as?

menstruation


Do periods occur as normal after an egg is fertilized explain answer?

No, periods do not occur after an egg is fertilized because fertilization of the egg leads to the development of the embryo, which implants in the uterus and eventually grows into a fetus. This process suppresses the shedding of the uterine lining that occurs during menstruation.


What triggers menstruation the occur?

Menstruation is triggered by a drop in estrogen and progesterone levels, which signals the shedding of the uterine lining. This drop in hormone levels occurs when an egg released during ovulation is not fertilized. The decrease in hormone levels causes the blood vessels in the uterus to constrict, leading to the shedding of the uterine lining, resulting in menstruation.


Is it possible to be pregnant while you on your period?

Having a period (shedding of the uterine lining) and pregnancy are not compatible but some women experience monthly period type spotting during pregnancy.


Why is your period clumpy?

It is clumpy because of blood clots. The uterine lining that is shedding, sometimes had blood clots. nothing to be worries about.:)


Can you have a period between conception and implantation and be pregnant?

No, implantation is necessary for a pregnancy to occur. If a fertilized egg does not implant into the uterus, pregnancy cannot proceed. The shedding of the uterine lining during a period signifies that implantation did not occur.


Do you bleed when you have you period?

Yes, you bleed when you have your period. Menstruation is the shedding of the uterine lining, which includes uterine tissue and blood.