What happens if lining bleeds and sheds during pregnancy?

If too much lining sheds, you end up with a miscarriage, but this can happen in a pregnancy that goes to full term as well. read more

If too much lining sheds, you end up with a miscarriage, but this can happen in a pregnancy that goes to full term as well. About 1/4 of known pregnancies (there are many unknown pregnancies that spontaneously abort and the mother would have called it a "late period") results in some sort of bleeding in the first trimester, about half of those that bleed results in a miscarriage. read more

The type of bleeding that occurs in some women is called decidual bleeding. However, many doctors simply refer to it as first trimester bleeding. It is the partial shedding of the uterine lining during the first few months of pregnancy and can be quite similar to regular menses, except lighter. read more

Decidual bleeding usually happens when the usual rise and fall of hormone levels is somehow disturbed and part of the uterine lining is caused to be shed periodically even when there is a pregnancy subsisting. read more