If you are referring to oxygen getting to the fetus during pregnancy there are a few conditions that can cause oxygen levels to drop. An abrupture (tearing) of the placenta away from the uterine wall. When a woman gets past dates (going over 41 or 42 weeks) the placenta starts to degrade. A woman who smokes and/or uses illicit drugs during pregnancy can also cause the oxygen flow to be cut off.
The Placenta.
the uterus
Pregnancy does not cause inflammation in the uterus. Inflammation of the uterus during pregnancy would serve no biological purpose.
Uterus..
uterus
During pregnancy, the uterus undergoes significant changes to support the growing fetus. The uterus expands in size to accommodate the developing baby, its muscle walls thicken to provide support, and the blood supply to the uterus increases to supply nutrients and oxygen to the fetus. Additionally, the cervix softens and dilates to prepare for childbirth. These adaptations allow the uterus to provide a safe and nurturing environment for the growing fetus throughout pregnancy.
Yes, as the baby grows during pregnancy, the uterus expands and moves upward within the pelvic cavity. This movement is a normal part of pregnancy as the uterus accommodates the growing fetus.
The uterus.
No. They can not enter the uterus without risking miscarriage. There is also no ovulation during pregnancy.
The uterus houses the fetus during pregnancy. The fallopian tubes are the site of fertilization, and carry the egg from the ovary to the uterus.
Your cervix does not grow during pregnancy but the uterus does.
During pregnancy the entrance to the uterus, the cervix, is sealed by a thick mucous plug, which helps to protect the contents of the uterus from any infection.