If your dream is to become the parents of twins, and nobody in the family has ever had such a thing, don't be upset! Not only does heredity affect the ability of the female body to multiple ovulation - any woman can try to learn how to conceive twins or twins and try to apply it in practice. To increase your chances of conception of twins, you should devote your time to such things as planning a second pregnancy. If you pay due attention to the factors that increase the likelihood of multiple pregnancies, you may well get such an expected surprise as two children in the same tummy...