"Life is good and precious and we should pass it on!" Professor Zavos There are many different medical, social, economic or cultural circumstances which put couples under the most intense pressure to produce a child of a specific gender. At the Andrology Institute of America we can help you reach your goal and have your baby girl or boy using the most advanced and successful methods in the field under the supervision of Professor Zavos " The Father of Andrology" Our success rate via gender selection using the sedimentation method is approximately 80% for male selection and 72% for female selection. Contact us today for further information to learn more about gender selection for family balancing!