An estuary is a partly enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.Estuaries form a transition zone between river environments and maritime environments.n estuary is a dynamic ecosystem with a connection with the open sea through which the sea water enters with the rhythm of the tides. The sea water entering the estuary is diluted by the fresh water flowing from rivers and streams.
Egg white cervical mucus (EWCM) is a type of cervical fluid that is produced right before ovulation. This mucus is called EWCM because it strongly resembles raw egg white in that it is clear or streaked and is very stretchy and can be watery.
1 At the Time of Ovulation: In the days immediately preceding ovulation, the production of cervical mucus will be at its highest and the consistency and color of the mucus will be similar to egg whites. 2  Once you detect the presence of this fertile-quality cervical mucus, you will know you are in your most fertile days.his fertile-quality cervical mucus, also known as egg white cervical mucus (EWCM), is clear and stretchy, similar to the consistency of egg whites, and is the perfect protective medium for sperm in terms of texture and pH.