On day fourteen, the LH surge triggers a Graafian follicle to floor the ovary. The follicle ruptures as well as ripe ovum is expelled in to the abdominal cavity. The fallopian tubes pick up the ovum with the fimbria. The cervical mucus changes to aid the motion of sperm. On days fifteen to twenty-eight—the post-ovulatory stage, the Graafian folli