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.
Introduction to Empirical Research Science is a process, not an accumulation of knowledge and/or skill. âThe scientist is a pervasive skeptic who is willing to tolerate uncertainty and who finds intellectual excitement in creating questions and seeking answersâ Science has a history that pre-dates recorded fact!!!