Quick Answer. In some rare cases, excessive stress causes bleeding between periods. It is more common that another condition is responsible, such as pregnancy, polycystic ovary syndrome, infection, pelvic inflammatory disease or side effects of medication, according to WebMD.
Characteristics of Scientific Research. When researches progress to a certain degree, turning over to think about them in time will contribute to advance their process and make them develop healthily in correct direction. Therefore, let's have a look into the characteristics of our work macroscopically and generally.
Disadvantages of Qualitative Research. The researcher of a study using qualitative research is heavily involved in the process, which gives the researcher a subjective view of the study and its participants. The researcher interprets the research according to his or her own biased view, which skews the data gathered.