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These can be muscle contractions or spasms.
The uterus comprises smooth muscle. This muscle is involuntary.
One is the muscle, also called the myometrium. This is the wall of the uterus; and is where fibroids grow. The more important part is the endometrium. This is the inner lining of the uterus. It is this lining which is shed during the menstrual period; and it is in this lining that the embryo implants.
No you shouldn't at all because during a pregnancy the egg attaches itself to th inside wall of your uterus and grows there. During your period an egg goes into your uterus from your overies but doesnt attach itself to the wall of your uterus because it wasnt fertalized by a sperm cell. The egg passing through your uterus it what causes you to bleed during your period.
The uterus is made up of smooth, or involuntary, muscle. It is not under conscious control.
Endometrium wall, but during pregnancy we call it placenta Or myometrium, which is the muscle layer of the uterus.
Gestation.
Because during your period your uterus contracts which causes the cramping pain to expel the uterine lining. During labor the uterus does the same action to help deliver a baby.
The uterus has 3 layers: Endometrium. This is the inner lining. It is shed during your period.
helps the embryo through the three stages, it holds it and attaches the placenta(umbilical cord).
A myomatous uterus is a uterus with fibroids, or benign tumors of the uterine muscle.
Voluntary Smooth Muscle