A menstrual period occurs when the uterus sheds its lining, while implantation bleeding occurs when a fertilized egg burrows into the uterine lining. A menstrual period takes place when a woman is not pregnant, while implantation bleeding can be one of the earliest signs of pregnancy.Continue Reading
According to the Mayo Clinic, implantation bleeding takes place approximately 10 to 14 days after conception. It is much lighter than a period, and it only occurs for 2 to 3 days. Implantation bleeding occurs around the time that a woman expects her period. As a result, some women mistake implantation bleeding for their period.
The uterine lining thickens in preparation for a possible pregnancy. If there is no pregnancy, this lining must be discarded via menstruation. A period lasts for 3 to 5 days on average and is heavier at the beginning.Learn more about Pregnancy
Progesterone helps to build up the lining of the uterus to receive a fertilized egg, explains WebMD. Progesterone levels rise during ovulation, and a pregnant woman's body produces 10 times more progesterone than a non-pregnant woman does.Full Answer >
According to Women's Health, decidual bleeding during pregnancy is caused by the coming apart of elements of the uterine lining and is common in the early stages of pregnancy before the placenta and lining have joined. Between 20 and 30 percent of women will have some type of vaginal or uterine bleeding in the first trimester of pregnancy, and some women may continue to have decidual bleeding throughout their pregnancies.Full Answer >
The most important role of progesterone is to help ready the lining of the uterus wall for the impending implantation of a fertilized egg, according to WebMD. It is produced by the ovaries when an egg is released and also by the placenta during the last two trimesters of pregnancy.Full Answer >
The uterine lining thickens throughout the month until a woman has her period and the lining is shed, according to BellyBelly. If a woman is pregnant, however, the uterine lining continues to thicken in early pregnancy in order to protect the baby.Full Answer >