Is it possible to have a miscarriage and not the pass tissue of fetus?

In most cases, a miscarriage involves the passage of tissue and blood from the uterus. This can include the embryo or fetus, as well as the amniotic sac and other fluids. However, in rare cases, it is possible to have a miscarriage without passing all of the tissue. This is known as a missed miscarriage or a retained miscarriage.

A missed miscarriage occurs when the embryo or fetus dies in the uterus but the body does not recognize the loss and does not expel the tissue. This can happen for a variety of reasons, including hormonal imbalances, thyroid problems, and uterine abnormalities.

A retained miscarriage occurs when some of the tissue from the miscarriage is retained in the uterus. This can happen if the cervix is not fully dilated or if the tissue is too large to pass through the cervix.

Both missed miscarriages and retained miscarriages can be dangerous because they can lead to infection and other complications. If you think you may have had a miscarriage but you have not passed all of the tissue, it is important to see a doctor right away.