Thin watery mucus which can be stretched into a long strand about 10 cm
At the midpoint of the cycle when the estrogen level is high. the cervical mucus becomes thin and watery to allow the sperm to easily penetrate and get to the fallopian tubes to fertilize an ovum. This is called spinnbarkeit. And the woman feels wet. When progesterone is secreted by the ovary. the mucus becomes thick and the woman will feel dry.