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FranDuring the menstrual cycle, the uterus prepares for a possible pregnancy by building up its lining (endometrium). If fertilization does not occur, the uterus sheds this lining during menstruation. The hormones involved in the menstrual cycle regulate these changes in the uterus.
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The lining of the uterus is shed in which menstrual cycle stage?
The lining of the uterus is shed during the menstrual phase of the menstrual cycle. This is when the body sheds the built-up uterine lining in the absence of a fertilized egg, resulting in menstrual bleeding.
How does the uterus change during the menstrual cycle?
During the menstrual cycle, the endometrium of the uterus thickens in preparation for a possible pregnancy. If fertilization does not occur, the endometrium sheds during menstruation. The uterus also contracts to help expel the menstrual blood.
What is the name of the lining of the uterus at shed during the menstrual cycle?
The lining of the uterus shed during the menstrual cycle is called the endometrium. It is the innermost layer of the uterus that thickens in preparation for potential pregnancy and is shed if fertilization does not occur.
What is the role of prostaglandins in the function of the uterus?
Prostaglandins are hormones that play a key role in the contraction and relaxation of the muscles in the uterus. They help regulate the menstrual cycle, induce labor during childbirth, and control blood flow to the uterus.
What is the menstrual cycle controlled by?
The menstrual cycle is controlled by hormones, specifically estrogen and progesterone, which are produced by the ovaries. These hormones regulate the different phases of the menstrual cycle, including ovulation and menstruation. Additionally, the hypothalamus and pituitary gland in the brain play a role in controlling hormone production.
