On working day 14, the LH surge causes a Graafian follicle to surface the ovary. The follicle ruptures and the ripe ovum is expelled in the abdominal cavity. The fallopian tubes pick up the ovum Using the fimbria. The cervical mucus changes to assist the motion of sperm. On days fifteen to 28—the put up-ovulatory stage, the Graafian follicle—no