Cognitive psychology is primarily concerned with performing laboratory experiments and conducting scientific research, but this research has led to far-reaching applications within the field of psychology.
Abnormal uterine bleeding is any bleeding from the uterus (through your vagina) other than your normal monthly period. Having extremely heavy bleeding during your period can also be considered abnormal uterine bleeding. Very heavy bleeding during a period and/or bleeding that lasts more than 7 days is called menorrhagia (say: men-oh-raj-ee-ah).
Vaginal bleeding in early pregnancy. Vaginal bleeding during pregnancy is any discharge of blood from the vagina. It can happen any time from conception (when the egg is fertilized) to the end of pregnancy. Some women have vaginal bleeding during their first 20 weeks of pregnancy.