answersLogoWhite

0

When an egg is not fertilized by sperm, this causes the breakdown of the uterus lining. It is known as menstruation.

User Avatar

Wiki User

10y ago

What else can I help you with?

Related Questions

When which hormone falls it causes the uterus lining to breakdown?

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.


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.


When does the uterus lining breaks down?

The uterus lining breaks down during menstruation, which occurs approximately every 28 days in women who are not pregnant. The breakdown of the lining is part of the menstrual cycle, which involves shedding of the endometrium in preparation for a new cycle of ovulation.


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

hormone that maintains the lining of the uterus?


Which organ of the female reproductive system sheds an unfertilized egg every month?

The uterus has a lining of blood in it. When the unfertilized egg passes through the uterus it sheds this lining which causes the blood to come out.


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.


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 does the ovary produce in the menstrual cycle?

Ovaries produce eggs which travel to the uterus. There they will either get fertilized by sperm or the the uterus will shed its lining, which causes a period.


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.


What is the lining of the uterus breaking apart?

The lining of the uterus breaking apart is the mucus lining that is usually formed so as to create a conducive environment for a fertilized egg to develop. If the ovum is not fertilized, the thick lining breaks apart which is what causes menstruation.