involution:
a retrograde change of the entire body or in a particular organ, as the retrograde changes in the female genital organs that result in normal size after delivery.
When a women is pregnant her uterus expands to 500 times its normal size.
2.7
The uterus is the female reproductive organ that holds the fetus during pregnancy. When you're not pregnant, your uterus is about the size and shape of an upside-down pear. The inner walls of the uterus are lined by the endometrium, a layer of tissue, which nourishes the fetus during pregnancy. In a woman who is not pregnant, this lining is shed each month as her menstrual flow. The walls of the uterus are made up of smooth muscle. The contraction of this muscle tissue allows a woman to give birth.Fibroids are non-cancerous tumours, which develop on or in this muscle layer. The medical name for fibroids is uterine leiomyomas. A fibroid can be as small as an apple seed or as large as a melon. Doctors talk about the size of a uterus enlarged by fibroids the same way they talk about the size of a pregnant uterus. So when a fibroid stretches the uterus to a 12- to 14-week size, the uterus is about the same size it would be if you were 12 to 14 weeks pregnant. This refers to a fibroid about the size of a small melon, or to several smaller fibroids.
At six weeks your uterus is approximately the size of a plum!
In the lower part of your abdomen, you have the uterus, placed above the vagina. The normal size of the non-pregnant uterus is 3*2*1 inches. This enlarges to enormous size to accommodate the fetus during pregnancy.
When you are not pregnant your uterus is only about 3 of 4 inches, or about the size of your fist. The human uterus in a non-pregnant woman is about the size of her fist, but during pregnancy it can expand hundreds of times! weighing just a few ounces.
That organ is called as uterus. The size of the uterus is 3*2*1 inches. It enlarges to enormous size to accommodate the fetus.
Your uterus will eventually retract and decrease in size. Your stomach will also decrease in size after the baby comes. Your body will change back to its normal self, just not your skin.
At 12 weeks pregnant, your uterus is about the size of either an orange or a grapefuit. And it is also at this time that you begin developing new pregnancy hormones.
Without a calf (or unbred), it's 1/3 larger than a basket ball. With a calf inside that is almost full term, the uterus can be about the same size as her rumen, which is as big as a 25 gal. barrel.
either your child is huge or you are further along than you thought
a pubesent female's uterus is about the same size as a naval orange.... a pubesent male's uterus, however, is 6 times that size.