Often times, it is hard to a woman to clearly determine whether they are leaking amniotic fluid or not. During the last trimester, the baby can put a lot of pressure on the body and this can cause discharge from the cervix which is normal. Also, the baby places pressure on the bladder and thus can cause leaking urine.
For instance, if a scientific study is performed, the primary source is the initial report that is prepared by the scientist(s) who performed the research. Secondary Source: A secondary source is a document that is written about the primary source
Primary Source vs Secondary Sources in the Sciences. In the Sciences, primary sources are documents that provide full description of the original research. For example, a primary source would be a journal article where scientists describe their research on the human immune systems. A secondary source would be an article commenting on or analyzing the scientists' research on the human immune system.