INTRODUCTION: CELERY BELONGS TO THE UMBLLIFERACE FAMILY. THE LEAF AND STEM OF CELERY CONTAIN PHENOLS. ONE OF THE MAIN FLAVONOID OF THE CELERY LEAF IS APIGENIN. DEVELOPED COUNTRIES ARE TRYING TO CONTROL THE POPULATION BY PRESENTING NEW METHODS OF PREGNANCY PREVENTION. PHYSIOLOGICAL KNOWLEDGE OF THE MEN SEXUAL ORGAN AND THE EFFECT OF SOME MATERIALS ON IT ARE IMPORTANT. ...