The ovulation test paper is as deep as it is indicates that it is already in the ovulation period, and it can be ovulated within 24 hours. Couples who have the need for fertility can have sex in these two days, which can improve the probability of conception. Ovulation test paper is mainly to monitor the body estrogen, when the body estrogen reaches the highest follicle can develop into a dominant follicle, discharged eggs, if sexual intercourse, the egg and sperm meet can be conceived. Ovulation test strips have some false negatives and false positives, so ovulation cannot be detected 100%. The most accurate way to find out if ovulation has occurred and the quality of the follicle is to monitor it with ultrasound. Ovulation is also accompanied by an increase in vaginal discharge, which is thin and highly stretchy, mainly due to hormonal stimulation of the glands of the cervical canal.